Home / 42,131.08-63,157.56-15,853.24

Finding the Fourth Proportional to 42,131.08, 63,157.56 and 15,853.24

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Solution

The fourth proportional to 42,131.08, 63,157.56 and 15,853.24 is: 23,765.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,131.08 : 63,157.56 = 15,853.24 : x
  2. Step 2: Convert to fraction form
    42,131.08/63,157.56 = 15,853.24/x
  3. Step 3: Cross multiply
    42,131.08x = 63,157.56 × 15,853.24
  4. Step 4: Simplify right side
    42,131.08x = 1,001,251,956.49
  5. Step 5: Solve for x
    x = 1,001,251,956.49/42,131.08
  6. Step 6: Final answer
    x = 23,765.16

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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.