Home / 54,424.13-81,636.19-19,363.88

Finding the Fourth Proportional to 54,424.13, 81,636.19 and 19,363.88

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Solution

The fourth proportional to 54,424.13, 81,636.19 and 19,363.88 is: 29,045.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,424.13 : 81,636.19 = 19,363.88 : x
  2. Step 2: Convert to fraction form
    54,424.13/81,636.19 = 19,363.88/x
  3. Step 3: Cross multiply
    54,424.13x = 81,636.19 × 19,363.88
  4. Step 4: Simplify right side
    54,424.13x = 1,580,793,542.50
  5. Step 5: Solve for x
    x = 1,580,793,542.50/54,424.13
  6. Step 6: Final answer
    x = 29,045.82

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1.5x scale

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.