Home / 47,589.86-71,385.28-19,502.70

Finding the Fourth Proportional to 47,589.86, 71,385.28 and 19,502.70

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Solution

The fourth proportional to 47,589.86, 71,385.28 and 19,502.70 is: 29,254.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,589.86 : 71,385.28 = 19,502.70 : x
  2. Step 2: Convert to fraction form
    47,589.86/71,385.28 = 19,502.70/x
  3. Step 3: Cross multiply
    47,589.86x = 71,385.28 × 19,502.70
  4. Step 4: Simplify right side
    47,589.86x = 1,392,205,700.26
  5. Step 5: Solve for x
    x = 1,392,205,700.26/47,589.86
  6. Step 6: Final answer
    x = 29,254.25

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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.