Home / 40,947.92-61,456.44-28,290.32

Finding the Fourth Proportional to 40,947.92, 61,456.44 and 28,290.32

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Solution

The fourth proportional to 40,947.92, 61,456.44 and 28,290.32 is: 42,459.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,947.92 : 61,456.44 = 28,290.32 : x
  2. Step 2: Convert to fraction form
    40,947.92/61,456.44 = 28,290.32/x
  3. Step 3: Cross multiply
    40,947.92x = 61,456.44 × 28,290.32
  4. Step 4: Simplify right side
    40,947.92x = 1,738,622,353.66
  5. Step 5: Solve for x
    x = 1,738,622,353.66/40,947.92
  6. Step 6: Final answer
    x = 42,459.36

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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.