Home / 40,914.20-61,371.24-12,836.72

Finding the Fourth Proportional to 40,914.20, 61,371.24 and 12,836.72

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Solution

The fourth proportional to 40,914.20, 61,371.24 and 12,836.72 is: 19,255.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,914.20 : 61,371.24 = 12,836.72 : x
  2. Step 2: Convert to fraction form
    40,914.20/61,371.24 = 12,836.72/x
  3. Step 3: Cross multiply
    40,914.20x = 61,371.24 × 12,836.72
  4. Step 4: Simplify right side
    40,914.20x = 787,805,117.08
  5. Step 5: Solve for x
    x = 787,805,117.08/40,914.20
  6. Step 6: Final answer
    x = 19,255.06

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1.5x scale

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.