Home / 36,430.86-50,275.84-21,324.92

Finding the Fourth Proportional to 36,430.86, 50,275.84 and 21,324.92

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Solution

The fourth proportional to 36,430.86, 50,275.84 and 21,324.92 is: 29,429.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,430.86 : 50,275.84 = 21,324.92 : x
  2. Step 2: Convert to fraction form
    36,430.86/50,275.84 = 21,324.92/x
  3. Step 3: Cross multiply
    36,430.86x = 50,275.84 × 21,324.92
  4. Step 4: Simplify right side
    36,430.86x = 1,072,128,265.93
  5. Step 5: Solve for x
    x = 1,072,128,265.93/36,430.86
  6. Step 6: Final answer
    x = 29,429.12

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Half scale
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Double scale
Find fourth proportional to 36,431.86, 50,277.22 and 21,325.92
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.