Home / 47,759.91-71,615.22-21,442.11

Finding the Fourth Proportional to 47,759.91, 71,615.22 and 21,442.11

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Solution

The fourth proportional to 47,759.91, 71,615.22 and 21,442.11 is: 32,152.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,759.91 : 71,615.22 = 21,442.11 : x
  2. Step 2: Convert to fraction form
    47,759.91/71,615.22 = 21,442.11/x
  3. Step 3: Cross multiply
    47,759.91x = 71,615.22 × 21,442.11
  4. Step 4: Simplify right side
    47,759.91x = 1,535,581,424.91
  5. Step 5: Solve for x
    x = 1,535,581,424.91/47,759.91
  6. Step 6: Final answer
    x = 32,152.10

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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.