Home / 47,507.28-71,263.21-12,446.97

Finding the Fourth Proportional to 47,507.28, 71,263.21 and 12,446.97

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Solution

The fourth proportional to 47,507.28, 71,263.21 and 12,446.97 is: 18,671.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,507.28 : 71,263.21 = 12,446.97 : x
  2. Step 2: Convert to fraction form
    47,507.28/71,263.21 = 12,446.97/x
  3. Step 3: Cross multiply
    47,507.28x = 71,263.21 × 12,446.97
  4. Step 4: Simplify right side
    47,507.28x = 887,010,680.66
  5. Step 5: Solve for x
    x = 887,010,680.66/47,507.28
  6. Step 6: Final answer
    x = 18,671.05

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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.