Home / 51,217.74-70,685.13-31,079.73

Finding the Fourth Proportional to 51,217.74, 70,685.13 and 31,079.73

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Solution

The fourth proportional to 51,217.74, 70,685.13 and 31,079.73 is: 42,892.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,217.74 : 70,685.13 = 31,079.73 : x
  2. Step 2: Convert to fraction form
    51,217.74/70,685.13 = 31,079.73/x
  3. Step 3: Cross multiply
    51,217.74x = 70,685.13 × 31,079.73
  4. Step 4: Simplify right side
    51,217.74x = 2,196,874,755.41
  5. Step 5: Solve for x
    x = 2,196,874,755.41/51,217.74
  6. Step 6: Final answer
    x = 42,892.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.