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Finding the Fourth Proportional to 47,554, 71,330.76 and 19,487.08

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Solution

The fourth proportional to 47,554, 71,330.76 and 19,487.08 is: 29,230.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,554 : 71,330.76 = 19,487.08 : x
  2. Step 2: Convert to fraction form
    47,554/71,330.76 = 19,487.08/x
  3. Step 3: Cross multiply
    47,554x = 71,330.76 × 19,487.08
  4. Step 4: Simplify right side
    47,554x = 1,390,028,226.58
  5. Step 5: Solve for x
    x = 1,390,028,226.58/47,554
  6. Step 6: Final answer
    x = 29,230.52

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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.