Home / 40,869.38-61,304.84-11,288

Finding the Fourth Proportional to 40,869.38, 61,304.84 and 11,288

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Solution

The fourth proportional to 40,869.38, 61,304.84 and 11,288 is: 16,932.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,869.38 : 61,304.84 = 11,288 : x
  2. Step 2: Convert to fraction form
    40,869.38/61,304.84 = 11,288/x
  3. Step 3: Cross multiply
    40,869.38x = 61,304.84 × 11,288
  4. Step 4: Simplify right side
    40,869.38x = 692,009,033.92
  5. Step 5: Solve for x
    x = 692,009,033.92/40,869.38
  6. Step 6: Final answer
    x = 16,932.21

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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.