Home / 56,084.64-84,103.92-21,006.24

Finding the Fourth Proportional to 56,084.64, 84,103.92 and 21,006.24

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Solution

The fourth proportional to 56,084.64, 84,103.92 and 21,006.24 is: 31,500.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,084.64 : 84,103.92 = 21,006.24 : x
  2. Step 2: Convert to fraction form
    56,084.64/84,103.92 = 21,006.24/x
  3. Step 3: Cross multiply
    56,084.64x = 84,103.92 × 21,006.24
  4. Step 4: Simplify right side
    56,084.64x = 1,766,707,128.46
  5. Step 5: Solve for x
    x = 1,766,707,128.46/56,084.64
  6. Step 6: Final answer
    x = 31,500.73

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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.