Home / 39,945.60-59,932.80-38,505.60

Finding the Fourth Proportional to 39,945.60, 59,932.80 and 38,505.60

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Solution

The fourth proportional to 39,945.60, 59,932.80 and 38,505.60 is: 57,772.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,945.60 : 59,932.80 = 38,505.60 : x
  2. Step 2: Convert to fraction form
    39,945.60/59,932.80 = 38,505.60/x
  3. Step 3: Cross multiply
    39,945.60x = 59,932.80 × 38,505.60
  4. Step 4: Simplify right side
    39,945.60x = 2,307,748,423.68
  5. Step 5: Solve for x
    x = 2,307,748,423.68/39,945.60
  6. Step 6: Final answer
    x = 57,772.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.