Home / 40,932.35-61,408.73-14,278.71

Finding the Fourth Proportional to 40,932.35, 61,408.73 and 14,278.71

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Solution

The fourth proportional to 40,932.35, 61,408.73 and 14,278.71 is: 21,421.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,932.35 : 61,408.73 = 14,278.71 : x
  2. Step 2: Convert to fraction form
    40,932.35/61,408.73 = 14,278.71/x
  3. Step 3: Cross multiply
    40,932.35x = 61,408.73 × 14,278.71
  4. Step 4: Simplify right side
    40,932.35x = 876,837,375.74
  5. Step 5: Solve for x
    x = 876,837,375.74/40,932.35
  6. Step 6: Final answer
    x = 21,421.63

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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.