Home / 42,013.67-57,979.46-23,150.39

Finding the Fourth Proportional to 42,013.67, 57,979.46 and 23,150.39

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Solution

The fourth proportional to 42,013.67, 57,979.46 and 23,150.39 is: 31,947.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,013.67 : 57,979.46 = 23,150.39 : x
  2. Step 2: Convert to fraction form
    42,013.67/57,979.46 = 23,150.39/x
  3. Step 3: Cross multiply
    42,013.67x = 57,979.46 × 23,150.39
  4. Step 4: Simplify right side
    42,013.67x = 1,342,246,878.97
  5. Step 5: Solve for x
    x = 1,342,246,878.97/42,013.67
  6. Step 6: Final answer
    x = 31,947.86

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1.5x scale

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.