Home / 42,572.20-63,858.30-10,982.20

Finding the Fourth Proportional to 42,572.20, 63,858.30 and 10,982.20

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Solution

The fourth proportional to 42,572.20, 63,858.30 and 10,982.20 is: 16,473.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,572.20 : 63,858.30 = 10,982.20 : x
  2. Step 2: Convert to fraction form
    42,572.20/63,858.30 = 10,982.20/x
  3. Step 3: Cross multiply
    42,572.20x = 63,858.30 × 10,982.20
  4. Step 4: Simplify right side
    42,572.20x = 701,304,622.26
  5. Step 5: Solve for x
    x = 701,304,622.26/42,572.20
  6. Step 6: Final answer
    x = 16,473.30

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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.