Home / 62,543.97-93,825.68-21,000.69

Finding the Fourth Proportional to 62,543.97, 93,825.68 and 21,000.69

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Solution

The fourth proportional to 62,543.97, 93,825.68 and 21,000.69 is: 31,504.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,543.97 : 93,825.68 = 21,000.69 : x
  2. Step 2: Convert to fraction form
    62,543.97/93,825.68 = 21,000.69/x
  3. Step 3: Cross multiply
    62,543.97x = 93,825.68 × 21,000.69
  4. Step 4: Simplify right side
    62,543.97x = 1,970,404,019.72
  5. Step 5: Solve for x
    x = 1,970,404,019.72/62,543.97
  6. Step 6: Final answer
    x = 31,504.30

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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.