Home / 42,142.43-58,156.37-23,279.56

Finding the Fourth Proportional to 42,142.43, 58,156.37 and 23,279.56

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Solution

The fourth proportional to 42,142.43, 58,156.37 and 23,279.56 is: 32,125.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,142.43 : 58,156.37 = 23,279.56 : x
  2. Step 2: Convert to fraction form
    42,142.43/58,156.37 = 23,279.56/x
  3. Step 3: Cross multiply
    42,142.43x = 58,156.37 × 23,279.56
  4. Step 4: Simplify right side
    42,142.43x = 1,353,854,617.61
  5. Step 5: Solve for x
    x = 1,353,854,617.61/42,142.43
  6. Step 6: Final answer
    x = 32,125.69

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.