Home / 55,240.48-76,232.38-31,367.66

Finding the Fourth Proportional to 55,240.48, 76,232.38 and 31,367.66

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Solution

The fourth proportional to 55,240.48, 76,232.38 and 31,367.66 is: 43,287.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,240.48 : 76,232.38 = 31,367.66 : x
  2. Step 2: Convert to fraction form
    55,240.48/76,232.38 = 31,367.66/x
  3. Step 3: Cross multiply
    55,240.48x = 76,232.38 × 31,367.66
  4. Step 4: Simplify right side
    55,240.48x = 2,391,230,917.25
  5. Step 5: Solve for x
    x = 2,391,230,917.25/55,240.48
  6. Step 6: Final answer
    x = 43,287.66

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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.