Home / 36,431.85-50,277.20-21,325.92

Finding the Fourth Proportional to 36,431.85, 50,277.20 and 21,325.92

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Solution

The fourth proportional to 36,431.85, 50,277.20 and 21,325.92 is: 29,430.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,431.85 : 50,277.20 = 21,325.92 : x
  2. Step 2: Convert to fraction form
    36,431.85/50,277.20 = 21,325.92/x
  3. Step 3: Cross multiply
    36,431.85x = 50,277.20 × 21,325.92
  4. Step 4: Simplify right side
    36,431.85x = 1,072,207,438.39
  5. Step 5: Solve for x
    x = 1,072,207,438.39/36,431.85
  6. Step 6: Final answer
    x = 29,430.50

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Double scale
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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.