Home / 47,651.93-71,387.68-31,809.19

Finding the Fourth Proportional to 47,651.93, 71,387.68 and 31,809.19

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Solution

The fourth proportional to 47,651.93, 71,387.68 and 31,809.19 is: 47,653.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,651.93 : 71,387.68 = 31,809.19 : x
  2. Step 2: Convert to fraction form
    47,651.93/71,387.68 = 31,809.19/x
  3. Step 3: Cross multiply
    47,651.93x = 71,387.68 × 31,809.19
  4. Step 4: Simplify right side
    47,651.93x = 2,270,784,276.78
  5. Step 5: Solve for x
    x = 2,270,784,276.78/47,651.93
  6. Step 6: Final answer
    x = 47,653.56

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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.