Home / 54,230.31-74,785.25-42,289.29

Finding the Fourth Proportional to 54,230.31, 74,785.25 and 42,289.29

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Solution

The fourth proportional to 54,230.31, 74,785.25 and 42,289.29 is: 58,318.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,230.31 : 74,785.25 = 42,289.29 : x
  2. Step 2: Convert to fraction form
    54,230.31/74,785.25 = 42,289.29/x
  3. Step 3: Cross multiply
    54,230.31x = 74,785.25 × 42,289.29
  4. Step 4: Simplify right side
    54,230.31x = 3,162,615,230.70
  5. Step 5: Solve for x
    x = 3,162,615,230.70/54,230.31
  6. Step 6: Final answer
    x = 58,318.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.