Home / 42,456.20-63,673.74-17,489.48

Finding the Fourth Proportional to 42,456.20, 63,673.74 and 17,489.48

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Solution

The fourth proportional to 42,456.20, 63,673.74 and 17,489.48 is: 26,229.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,456.20 : 63,673.74 = 17,489.48 : x
  2. Step 2: Convert to fraction form
    42,456.20/63,673.74 = 17,489.48/x
  3. Step 3: Cross multiply
    42,456.20x = 63,673.74 × 17,489.48
  4. Step 4: Simplify right side
    42,456.20x = 1,113,620,602.26
  5. Step 5: Solve for x
    x = 1,113,620,602.26/42,456.20
  6. Step 6: Final answer
    x = 26,229.87

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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.