Home / 39,695.20-59,542.80-37,945.60

Finding the Fourth Proportional to 39,695.20, 59,542.80 and 37,945.60

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Solution

The fourth proportional to 39,695.20, 59,542.80 and 37,945.60 is: 56,918.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,695.20 : 59,542.80 = 37,945.60 : x
  2. Step 2: Convert to fraction form
    39,695.20/59,542.80 = 37,945.60/x
  3. Step 3: Cross multiply
    39,695.20x = 59,542.80 × 37,945.60
  4. Step 4: Simplify right side
    39,695.20x = 2,259,387,271.68
  5. Step 5: Solve for x
    x = 2,259,387,271.68/39,695.20
  6. Step 6: Final answer
    x = 56,918.40

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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.