Home / 45,935.28-68,864.04-18,218.16

Finding the Fourth Proportional to 45,935.28, 68,864.04 and 18,218.16

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Solution

The fourth proportional to 45,935.28, 68,864.04 and 18,218.16 is: 27,311.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,935.28 : 68,864.04 = 18,218.16 : x
  2. Step 2: Convert to fraction form
    45,935.28/68,864.04 = 18,218.16/x
  3. Step 3: Cross multiply
    45,935.28x = 68,864.04 × 18,218.16
  4. Step 4: Simplify right side
    45,935.28x = 1,254,576,098.97
  5. Step 5: Solve for x
    x = 1,254,576,098.97/45,935.28
  6. Step 6: Final answer
    x = 27,311.82

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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.