Home / 47,854.56-71,752.64-18,240.88

Finding the Fourth Proportional to 47,854.56, 71,752.64 and 18,240.88

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Solution

The fourth proportional to 47,854.56, 71,752.64 and 18,240.88 is: 27,350.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,854.56 : 71,752.64 = 18,240.88 : x
  2. Step 2: Convert to fraction form
    47,854.56/71,752.64 = 18,240.88/x
  3. Step 3: Cross multiply
    47,854.56x = 71,752.64 × 18,240.88
  4. Step 4: Simplify right side
    47,854.56x = 1,308,831,295.92
  5. Step 5: Solve for x
    x = 1,308,831,295.92/47,854.56
  6. Step 6: Final answer
    x = 27,350.19

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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.