Home / 54,678.66-81,988.83-28,318.02

Finding the Fourth Proportional to 54,678.66, 81,988.83 and 28,318.02

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Solution

The fourth proportional to 54,678.66, 81,988.83 and 28,318.02 is: 42,461.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,678.66 : 81,988.83 = 28,318.02 : x
  2. Step 2: Convert to fraction form
    54,678.66/81,988.83 = 28,318.02/x
  3. Step 3: Cross multiply
    54,678.66x = 81,988.83 × 28,318.02
  4. Step 4: Simplify right side
    54,678.66x = 2,321,761,327.72
  5. Step 5: Solve for x
    x = 2,321,761,327.72/54,678.66
  6. Step 6: Final answer
    x = 42,461.93

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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.