Home / 39,982.52-59,974.06-13,687.48

Finding the Fourth Proportional to 39,982.52, 59,974.06 and 13,687.48

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Solution

The fourth proportional to 39,982.52, 59,974.06 and 13,687.48 is: 20,531.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,982.52 : 59,974.06 = 13,687.48 : x
  2. Step 2: Convert to fraction form
    39,982.52/59,974.06 = 13,687.48/x
  3. Step 3: Cross multiply
    39,982.52x = 59,974.06 × 13,687.48
  4. Step 4: Simplify right side
    39,982.52x = 820,893,746.77
  5. Step 5: Solve for x
    x = 820,893,746.77/39,982.52
  6. Step 6: Final answer
    x = 20,531.32

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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.