Home / 39,615.38-59,385.85-13,301.66

Finding the Fourth Proportional to 39,615.38, 59,385.85 and 13,301.66

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Solution

The fourth proportional to 39,615.38, 59,385.85 and 13,301.66 is: 19,940.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,615.38 : 59,385.85 = 13,301.66 : x
  2. Step 2: Convert to fraction form
    39,615.38/59,385.85 = 13,301.66/x
  3. Step 3: Cross multiply
    39,615.38x = 59,385.85 × 13,301.66
  4. Step 4: Simplify right side
    39,615.38x = 789,930,500.72
  5. Step 5: Solve for x
    x = 789,930,500.72/39,615.38
  6. Step 6: Final answer
    x = 19,940.00

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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.