Home / 40,758.42-61,143.07-16,128.66

Finding the Fourth Proportional to 40,758.42, 61,143.07 and 16,128.66

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Solution

The fourth proportional to 40,758.42, 61,143.07 and 16,128.66 is: 24,195.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,758.42 : 61,143.07 = 16,128.66 : x
  2. Step 2: Convert to fraction form
    40,758.42/61,143.07 = 16,128.66/x
  3. Step 3: Cross multiply
    40,758.42x = 61,143.07 × 16,128.66
  4. Step 4: Simplify right side
    40,758.42x = 986,155,787.39
  5. Step 5: Solve for x
    x = 986,155,787.39/40,758.42
  6. Step 6: Final answer
    x = 24,195.14

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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.