Home / 47,918.04-71,864.88-31,287.12

Finding the Fourth Proportional to 47,918.04, 71,864.88 and 31,287.12

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Solution

The fourth proportional to 47,918.04, 71,864.88 and 31,287.12 is: 46,922.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,918.04 : 71,864.88 = 31,287.12 : x
  2. Step 2: Convert to fraction form
    47,918.04/71,864.88 = 31,287.12/x
  3. Step 3: Cross multiply
    47,918.04x = 71,864.88 × 31,287.12
  4. Step 4: Simplify right side
    47,918.04x = 2,248,445,124.35
  5. Step 5: Solve for x
    x = 2,248,445,124.35/47,918.04
  6. Step 6: Final answer
    x = 46,922.73

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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.