Home / 40,932.45-61,398.63-12,854.70

Finding the Fourth Proportional to 40,932.45, 61,398.63 and 12,854.70

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Solution

The fourth proportional to 40,932.45, 61,398.63 and 12,854.70 is: 19,282.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,932.45 : 61,398.63 = 12,854.70 : x
  2. Step 2: Convert to fraction form
    40,932.45/61,398.63 = 12,854.70/x
  3. Step 3: Cross multiply
    40,932.45x = 61,398.63 × 12,854.70
  4. Step 4: Simplify right side
    40,932.45x = 789,260,969.06
  5. Step 5: Solve for x
    x = 789,260,969.06/40,932.45
  6. Step 6: Final answer
    x = 19,282.04

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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.