Home / 42,082.62-63,129.96-13,993.44

Finding the Fourth Proportional to 42,082.62, 63,129.96 and 13,993.44

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Solution

The fourth proportional to 42,082.62, 63,129.96 and 13,993.44 is: 20,992.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,082.62 : 63,129.96 = 13,993.44 : x
  2. Step 2: Convert to fraction form
    42,082.62/63,129.96 = 13,993.44/x
  3. Step 3: Cross multiply
    42,082.62x = 63,129.96 × 13,993.44
  4. Step 4: Simplify right side
    42,082.62x = 883,405,307.46
  5. Step 5: Solve for x
    x = 883,405,307.46/42,082.62
  6. Step 6: Final answer
    x = 20,992.17

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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.