Home / 34,517.28-51,785.64-11,143.92

Finding the Fourth Proportional to 34,517.28, 51,785.64 and 11,143.92

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Solution

The fourth proportional to 34,517.28, 51,785.64 and 11,143.92 is: 16,719.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,517.28 : 51,785.64 = 11,143.92 : x
  2. Step 2: Convert to fraction form
    34,517.28/51,785.64 = 11,143.92/x
  3. Step 3: Cross multiply
    34,517.28x = 51,785.64 × 11,143.92
  4. Step 4: Simplify right side
    34,517.28x = 577,095,029.31
  5. Step 5: Solve for x
    x = 577,095,029.31/34,517.28
  6. Step 6: Final answer
    x = 16,719.02

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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.