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Finding the Fourth Proportional to 29,780.39, 44,630.80 and 15,737.09

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Solution

The fourth proportional to 29,780.39, 44,630.80 and 15,737.09 is: 23,584.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,780.39 : 44,630.80 = 15,737.09 : x
  2. Step 2: Convert to fraction form
    29,780.39/44,630.80 = 15,737.09/x
  3. Step 3: Cross multiply
    29,780.39x = 44,630.80 × 15,737.09
  4. Step 4: Simplify right side
    29,780.39x = 702,358,653.88
  5. Step 5: Solve for x
    x = 702,358,653.88/29,780.39
  6. Step 6: Final answer
    x = 23,584.60

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1.5x scale

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.