Home / 71,353.38-98,467.74-39,521.61

Finding the Fourth Proportional to 71,353.38, 98,467.74 and 39,521.61

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Solution

The fourth proportional to 71,353.38, 98,467.74 and 39,521.61 is: 54,539.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,353.38 : 98,467.74 = 39,521.61 : x
  2. Step 2: Convert to fraction form
    71,353.38/98,467.74 = 39,521.61/x
  3. Step 3: Cross multiply
    71,353.38x = 98,467.74 × 39,521.61
  4. Step 4: Simplify right side
    71,353.38x = 3,891,603,617.86
  5. Step 5: Solve for x
    x = 3,891,603,617.86/71,353.38
  6. Step 6: Final answer
    x = 54,539.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.