Home / 54,658.14-81,990.18-17,221.16

Finding the Fourth Proportional to 54,658.14, 81,990.18 and 17,221.16

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Solution

The fourth proportional to 54,658.14, 81,990.18 and 17,221.16 is: 25,832.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,658.14 : 81,990.18 = 17,221.16 : x
  2. Step 2: Convert to fraction form
    54,658.14/81,990.18 = 17,221.16/x
  3. Step 3: Cross multiply
    54,658.14x = 81,990.18 × 17,221.16
  4. Step 4: Simplify right side
    54,658.14x = 1,411,966,008.21
  5. Step 5: Solve for x
    x = 1,411,966,008.21/54,658.14
  6. Step 6: Final answer
    x = 25,832.68

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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.