Home / 61,380.42-84,702.18-34,157.85

Finding the Fourth Proportional to 61,380.42, 84,702.18 and 34,157.85

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Solution

The fourth proportional to 61,380.42, 84,702.18 and 34,157.85 is: 47,136.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,380.42 : 84,702.18 = 34,157.85 : x
  2. Step 2: Convert to fraction form
    61,380.42/84,702.18 = 34,157.85/x
  3. Step 3: Cross multiply
    61,380.42x = 84,702.18 × 34,157.85
  4. Step 4: Simplify right side
    61,380.42x = 2,893,244,359.11
  5. Step 5: Solve for x
    x = 2,893,244,359.11/61,380.42
  6. Step 6: Final answer
    x = 47,136.28

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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.