Home / 47,671.56-71,501.16-12,613.92

Finding the Fourth Proportional to 47,671.56, 71,501.16 and 12,613.92

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Solution

The fourth proportional to 47,671.56, 71,501.16 and 12,613.92 is: 18,919.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,671.56 : 71,501.16 = 12,613.92 : x
  2. Step 2: Convert to fraction form
    47,671.56/71,501.16 = 12,613.92/x
  3. Step 3: Cross multiply
    47,671.56x = 71,501.16 × 12,613.92
  4. Step 4: Simplify right side
    47,671.56x = 901,909,912.15
  5. Step 5: Solve for x
    x = 901,909,912.15/47,671.56
  6. Step 6: Final answer
    x = 18,919.24

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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.