Home / 42,235.78-63,227.44-25,545.32

Finding the Fourth Proportional to 42,235.78, 63,227.44 and 25,545.32

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Solution

The fourth proportional to 42,235.78, 63,227.44 and 25,545.32 is: 38,241.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,235.78 : 63,227.44 = 25,545.32 : x
  2. Step 2: Convert to fraction form
    42,235.78/63,227.44 = 25,545.32/x
  3. Step 3: Cross multiply
    42,235.78x = 63,227.44 × 25,545.32
  4. Step 4: Simplify right side
    42,235.78x = 1,615,165,187.58
  5. Step 5: Solve for x
    x = 1,615,165,187.58/42,235.78
  6. Step 6: Final answer
    x = 38,241.63

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1.5x scale

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.