Home / 42,257.55-63,408.14-18,581.69

Finding the Fourth Proportional to 42,257.55, 63,408.14 and 18,581.69

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Solution

The fourth proportional to 42,257.55, 63,408.14 and 18,581.69 is: 27,882.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,257.55 : 63,408.14 = 18,581.69 : x
  2. Step 2: Convert to fraction form
    42,257.55/63,408.14 = 18,581.69/x
  3. Step 3: Cross multiply
    42,257.55x = 63,408.14 × 18,581.69
  4. Step 4: Simplify right side
    42,257.55x = 1,178,229,991.01
  5. Step 5: Solve for x
    x = 1,178,229,991.01/42,257.55
  6. Step 6: Final answer
    x = 27,882.12

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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.