Home / 31,489.48-47,263.38-15,918.04

Finding the Fourth Proportional to 31,489.48, 47,263.38 and 15,918.04

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Solution

The fourth proportional to 31,489.48, 47,263.38 and 15,918.04 is: 23,891.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,489.48 : 47,263.38 = 15,918.04 : x
  2. Step 2: Convert to fraction form
    31,489.48/47,263.38 = 15,918.04/x
  3. Step 3: Cross multiply
    31,489.48x = 47,263.38 × 15,918.04
  4. Step 4: Simplify right side
    31,489.48x = 752,340,373.38
  5. Step 5: Solve for x
    x = 752,340,373.38/31,489.48
  6. Step 6: Final answer
    x = 23,891.80

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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.