Home / 47,387.38-71,105.67-19,328.02

Finding the Fourth Proportional to 47,387.38, 71,105.67 and 19,328.02

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Solution

The fourth proportional to 47,387.38, 71,105.67 and 19,328.02 is: 29,002.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,387.38 : 71,105.67 = 19,328.02 : x
  2. Step 2: Convert to fraction form
    47,387.38/71,105.67 = 19,328.02/x
  3. Step 3: Cross multiply
    47,387.38x = 71,105.67 × 19,328.02
  4. Step 4: Simplify right side
    47,387.38x = 1,374,331,811.87
  5. Step 5: Solve for x
    x = 1,374,331,811.87/47,387.38
  6. Step 6: Final answer
    x = 29,002.06

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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.