Home / 31,581.97-47,359.43-10,516.30

Finding the Fourth Proportional to 31,581.97, 47,359.43 and 10,516.30

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Solution

The fourth proportional to 31,581.97, 47,359.43 and 10,516.30 is: 15,769.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,581.97 : 47,359.43 = 10,516.30 : x
  2. Step 2: Convert to fraction form
    31,581.97/47,359.43 = 10,516.30/x
  3. Step 3: Cross multiply
    31,581.97x = 47,359.43 × 10,516.30
  4. Step 4: Simplify right side
    31,581.97x = 498,045,901.32
  5. Step 5: Solve for x
    x = 498,045,901.32/31,581.97
  6. Step 6: Final answer
    x = 15,769.95

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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.