Home / 56,500.75-84,751.10-21,440.41

Finding the Fourth Proportional to 56,500.75, 84,751.10 and 21,440.41

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Solution

The fourth proportional to 56,500.75, 84,751.10 and 21,440.41 is: 32,160.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,500.75 : 84,751.10 = 21,440.41 : x
  2. Step 2: Convert to fraction form
    56,500.75/84,751.10 = 21,440.41/x
  3. Step 3: Cross multiply
    56,500.75x = 84,751.10 × 21,440.41
  4. Step 4: Simplify right side
    56,500.75x = 1,817,098,331.95
  5. Step 5: Solve for x
    x = 1,817,098,331.95/56,500.75
  6. Step 6: Final answer
    x = 32,160.61

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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.