Home / 47,876.13-71,826.35-18,290.88

Finding the Fourth Proportional to 47,876.13, 71,826.35 and 18,290.88

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Solution

The fourth proportional to 47,876.13, 71,826.35 and 18,290.88 is: 27,440.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,876.13 : 71,826.35 = 18,290.88 : x
  2. Step 2: Convert to fraction form
    47,876.13/71,826.35 = 18,290.88/x
  3. Step 3: Cross multiply
    47,876.13x = 71,826.35 × 18,290.88
  4. Step 4: Simplify right side
    47,876.13x = 1,313,767,057.23
  5. Step 5: Solve for x
    x = 1,313,767,057.23/47,876.13
  6. Step 6: Final answer
    x = 27,440.96

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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.