Home / 40,915.16-61,383.42-12,836.10

Finding the Fourth Proportional to 40,915.16, 61,383.42 and 12,836.10

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Solution

The fourth proportional to 40,915.16, 61,383.42 and 12,836.10 is: 19,257.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,915.16 : 61,383.42 = 12,836.10 : x
  2. Step 2: Convert to fraction form
    40,915.16/61,383.42 = 12,836.10/x
  3. Step 3: Cross multiply
    40,915.16x = 61,383.42 × 12,836.10
  4. Step 4: Simplify right side
    40,915.16x = 787,923,947.65
  5. Step 5: Solve for x
    x = 787,923,947.65/40,915.16
  6. Step 6: Final answer
    x = 19,257.51

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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.