Home / 65,557.76-98,337.20-21,184.52

Finding the Fourth Proportional to 65,557.76, 98,337.20 and 21,184.52

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Solution

The fourth proportional to 65,557.76, 98,337.20 and 21,184.52 is: 31,776.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,557.76 : 98,337.20 = 21,184.52 : x
  2. Step 2: Convert to fraction form
    65,557.76/98,337.20 = 21,184.52/x
  3. Step 3: Cross multiply
    65,557.76x = 98,337.20 × 21,184.52
  4. Step 4: Simplify right side
    65,557.76x = 2,083,226,380.14
  5. Step 5: Solve for x
    x = 2,083,226,380.14/65,557.76
  6. Step 6: Final answer
    x = 31,776.96

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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.