Home / 47,641.68-71,468.16-12,581.64

Finding the Fourth Proportional to 47,641.68, 71,468.16 and 12,581.64

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Solution

The fourth proportional to 47,641.68, 71,468.16 and 12,581.64 is: 18,873.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,641.68 : 71,468.16 = 12,581.64 : x
  2. Step 2: Convert to fraction form
    47,641.68/71,468.16 = 12,581.64/x
  3. Step 3: Cross multiply
    47,641.68x = 71,468.16 × 12,581.64
  4. Step 4: Simplify right side
    47,641.68x = 899,186,660.58
  5. Step 5: Solve for x
    x = 899,186,660.58/47,641.68
  6. Step 6: Final answer
    x = 18,873.95

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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.