Home / 66,240.76-99,354.30-21,874.74

Finding the Fourth Proportional to 66,240.76, 99,354.30 and 21,874.74

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Solution

The fourth proportional to 66,240.76, 99,354.30 and 21,874.74 is: 32,809.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,240.76 : 99,354.30 = 21,874.74 : x
  2. Step 2: Convert to fraction form
    66,240.76/99,354.30 = 21,874.74/x
  3. Step 3: Cross multiply
    66,240.76x = 99,354.30 × 21,874.74
  4. Step 4: Simplify right side
    66,240.76x = 2,173,349,480.38
  5. Step 5: Solve for x
    x = 2,173,349,480.38/66,240.76
  6. Step 6: Final answer
    x = 32,809.85

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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.