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Finding the Fourth Proportional to 48,611.62, 72,834.47 and 34,501.82

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Solution

The fourth proportional to 48,611.62, 72,834.47 and 34,501.82 is: 51,693.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,611.62 : 72,834.47 = 34,501.82 : x
  2. Step 2: Convert to fraction form
    48,611.62/72,834.47 = 34,501.82/x
  3. Step 3: Cross multiply
    48,611.62x = 72,834.47 × 34,501.82
  4. Step 4: Simplify right side
    48,611.62x = 2,512,921,601.23
  5. Step 5: Solve for x
    x = 2,512,921,601.23/48,611.62
  6. Step 6: Final answer
    x = 51,693.85

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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.