Home / 52,327.11-78,490.02-12,884.57

Finding the Fourth Proportional to 52,327.11, 78,490.02 and 12,884.57

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Solution

The fourth proportional to 52,327.11, 78,490.02 and 12,884.57 is: 19,326.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,327.11 : 78,490.02 = 12,884.57 : x
  2. Step 2: Convert to fraction form
    52,327.11/78,490.02 = 12,884.57/x
  3. Step 3: Cross multiply
    52,327.11x = 78,490.02 × 12,884.57
  4. Step 4: Simplify right side
    52,327.11x = 1,011,309,764.54
  5. Step 5: Solve for x
    x = 1,011,309,764.54/52,327.11
  6. Step 6: Final answer
    x = 19,326.69

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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.