Home / 31,535.11-47,296.59-10,471.87

Finding the Fourth Proportional to 31,535.11, 47,296.59 and 10,471.87

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Solution

The fourth proportional to 31,535.11, 47,296.59 and 10,471.87 is: 15,705.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,535.11 : 47,296.59 = 10,471.87 : x
  2. Step 2: Convert to fraction form
    31,535.11/47,296.59 = 10,471.87/x
  3. Step 3: Cross multiply
    31,535.11x = 47,296.59 × 10,471.87
  4. Step 4: Simplify right side
    31,535.11x = 495,283,741.92
  5. Step 5: Solve for x
    x = 495,283,741.92/31,535.11
  6. Step 6: Final answer
    x = 15,705.79

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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.