Home / 47,382.89-71,070.22-19,305.91

Finding the Fourth Proportional to 47,382.89, 71,070.22 and 19,305.91

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Solution

The fourth proportional to 47,382.89, 71,070.22 and 19,305.91 is: 28,957.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,382.89 : 71,070.22 = 19,305.91 : x
  2. Step 2: Convert to fraction form
    47,382.89/71,070.22 = 19,305.91/x
  3. Step 3: Cross multiply
    47,382.89x = 71,070.22 × 19,305.91
  4. Step 4: Simplify right side
    47,382.89x = 1,372,074,819.12
  5. Step 5: Solve for x
    x = 1,372,074,819.12/47,382.89
  6. Step 6: Final answer
    x = 28,957.18

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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.