Home / 39,938.61-59,917.13-11,858.04

Finding the Fourth Proportional to 39,938.61, 59,917.13 and 11,858.04

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Solution

The fourth proportional to 39,938.61, 59,917.13 and 11,858.04 is: 17,789.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,938.61 : 59,917.13 = 11,858.04 : x
  2. Step 2: Convert to fraction form
    39,938.61/59,917.13 = 11,858.04/x
  3. Step 3: Cross multiply
    39,938.61x = 59,917.13 × 11,858.04
  4. Step 4: Simplify right side
    39,938.61x = 710,499,724.23
  5. Step 5: Solve for x
    x = 710,499,724.23/39,938.61
  6. Step 6: Final answer
    x = 17,789.80

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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.