Home / 47,624.88-71,432.28-19,547.90

Finding the Fourth Proportional to 47,624.88, 71,432.28 and 19,547.90

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Solution

The fourth proportional to 47,624.88, 71,432.28 and 19,547.90 is: 29,319.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,624.88 : 71,432.28 = 19,547.90 : x
  2. Step 2: Convert to fraction form
    47,624.88/71,432.28 = 19,547.90/x
  3. Step 3: Cross multiply
    47,624.88x = 71,432.28 × 19,547.90
  4. Step 4: Simplify right side
    47,624.88x = 1,396,350,709.05
  5. Step 5: Solve for x
    x = 1,396,350,709.05/47,624.88
  6. Step 6: Final answer
    x = 29,319.77

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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.