Home / 54,407.13-81,626.49-19,349.52

Finding the Fourth Proportional to 54,407.13, 81,626.49 and 19,349.52

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Solution

The fourth proportional to 54,407.13, 81,626.49 and 19,349.52 is: 29,029.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,407.13 : 81,626.49 = 19,349.52 : x
  2. Step 2: Convert to fraction form
    54,407.13/81,626.49 = 19,349.52/x
  3. Step 3: Cross multiply
    54,407.13x = 81,626.49 × 19,349.52
  4. Step 4: Simplify right side
    54,407.13x = 1,579,433,400.78
  5. Step 5: Solve for x
    x = 1,579,433,400.78/54,407.13
  6. Step 6: Final answer
    x = 29,029.90

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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.