Home / 47,712.60-71,568.90-12,652.27

Finding the Fourth Proportional to 47,712.60, 71,568.90 and 12,652.27

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Solution

The fourth proportional to 47,712.60, 71,568.90 and 12,652.27 is: 18,978.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,712.60 : 71,568.90 = 12,652.27 : x
  2. Step 2: Convert to fraction form
    47,712.60/71,568.90 = 12,652.27/x
  3. Step 3: Cross multiply
    47,712.60x = 71,568.90 × 12,652.27
  4. Step 4: Simplify right side
    47,712.60x = 905,508,867.48
  5. Step 5: Solve for x
    x = 905,508,867.48/47,712.60
  6. Step 6: Final answer
    x = 18,978.40

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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.