Home / 42,600.20-63,852.30-20,424.20

Finding the Fourth Proportional to 42,600.20, 63,852.30 and 20,424.20

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Solution

The fourth proportional to 42,600.20, 63,852.30 and 20,424.20 is: 30,613.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,600.20 : 63,852.30 = 20,424.20 : x
  2. Step 2: Convert to fraction form
    42,600.20/63,852.30 = 20,424.20/x
  3. Step 3: Cross multiply
    42,600.20x = 63,852.30 × 20,424.20
  4. Step 4: Simplify right side
    42,600.20x = 1,304,132,145.66
  5. Step 5: Solve for x
    x = 1,304,132,145.66/42,600.20
  6. Step 6: Final answer
    x = 30,613.29

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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.