Home / 42,616.44-63,881.46-20,397.24

Finding the Fourth Proportional to 42,616.44, 63,881.46 and 20,397.24

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Solution

The fourth proportional to 42,616.44, 63,881.46 and 20,397.24 is: 30,575.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,616.44 : 63,881.46 = 20,397.24 : x
  2. Step 2: Convert to fraction form
    42,616.44/63,881.46 = 20,397.24/x
  3. Step 3: Cross multiply
    42,616.44x = 63,881.46 × 20,397.24
  4. Step 4: Simplify right side
    42,616.44x = 1,303,005,471.17
  5. Step 5: Solve for x
    x = 1,303,005,471.17/42,616.44
  6. Step 6: Final answer
    x = 30,575.18

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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.