Home / 31,306.46-47,001.40-18,168.26

Finding the Fourth Proportional to 31,306.46, 47,001.40 and 18,168.26

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Solution

The fourth proportional to 31,306.46, 47,001.40 and 18,168.26 is: 27,276.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,306.46 : 47,001.40 = 18,168.26 : x
  2. Step 2: Convert to fraction form
    31,306.46/47,001.40 = 18,168.26/x
  3. Step 3: Cross multiply
    31,306.46x = 47,001.40 × 18,168.26
  4. Step 4: Simplify right side
    31,306.46x = 853,933,655.56
  5. Step 5: Solve for x
    x = 853,933,655.56/31,306.46
  6. Step 6: Final answer
    x = 27,276.60

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1.5x scale

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.