Home / 65,671.08-98,522.21-21,297.86

Finding the Fourth Proportional to 65,671.08, 98,522.21 and 21,297.86

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Solution

The fourth proportional to 65,671.08, 98,522.21 and 21,297.86 is: 31,951.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,671.08 : 98,522.21 = 21,297.86 : x
  2. Step 2: Convert to fraction form
    65,671.08/98,522.21 = 21,297.86/x
  3. Step 3: Cross multiply
    65,671.08x = 98,522.21 × 21,297.86
  4. Step 4: Simplify right side
    65,671.08x = 2,098,312,235.47
  5. Step 5: Solve for x
    x = 2,098,312,235.47/65,671.08
  6. Step 6: Final answer
    x = 31,951.85

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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.