Home / 54,960.13-82,384.80-21,667.30

Finding the Fourth Proportional to 54,960.13, 82,384.80 and 21,667.30

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Solution

The fourth proportional to 54,960.13, 82,384.80 and 21,667.30 is: 32,479.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,960.13 : 82,384.80 = 21,667.30 : x
  2. Step 2: Convert to fraction form
    54,960.13/82,384.80 = 21,667.30/x
  3. Step 3: Cross multiply
    54,960.13x = 82,384.80 × 21,667.30
  4. Step 4: Simplify right side
    54,960.13x = 1,785,056,177.04
  5. Step 5: Solve for x
    x = 1,785,056,177.04/54,960.13
  6. Step 6: Final answer
    x = 32,479.11

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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.