Home / 39,938.93-59,917.22-11,861.27

Finding the Fourth Proportional to 39,938.93, 59,917.22 and 11,861.27

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Solution

The fourth proportional to 39,938.93, 59,917.22 and 11,861.27 is: 17,794.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,938.93 : 59,917.22 = 11,861.27 : x
  2. Step 2: Convert to fraction form
    39,938.93/59,917.22 = 11,861.27/x
  3. Step 3: Cross multiply
    39,938.93x = 59,917.22 × 11,861.27
  4. Step 4: Simplify right side
    39,938.93x = 710,694,264.76
  5. Step 5: Solve for x
    x = 710,694,264.76/39,938.93
  6. Step 6: Final answer
    x = 17,794.52

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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.