Home / 54,301.52-81,426.72-21,037.16

Finding the Fourth Proportional to 54,301.52, 81,426.72 and 21,037.16

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Solution

The fourth proportional to 54,301.52, 81,426.72 and 21,037.16 is: 31,545.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,301.52 : 81,426.72 = 21,037.16 : x
  2. Step 2: Convert to fraction form
    54,301.52/81,426.72 = 21,037.16/x
  3. Step 3: Cross multiply
    54,301.52x = 81,426.72 × 21,037.16
  4. Step 4: Simplify right side
    54,301.52x = 1,712,986,936.92
  5. Step 5: Solve for x
    x = 1,712,986,936.92/54,301.52
  6. Step 6: Final answer
    x = 31,545.84

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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.