Home / 31,471.74-47,195.66-10,405.46

Finding the Fourth Proportional to 31,471.74, 47,195.66 and 10,405.46

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Solution

The fourth proportional to 31,471.74, 47,195.66 and 10,405.46 is: 15,604.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,471.74 : 47,195.66 = 10,405.46 : x
  2. Step 2: Convert to fraction form
    31,471.74/47,195.66 = 10,405.46/x
  3. Step 3: Cross multiply
    31,471.74x = 47,195.66 × 10,405.46
  4. Step 4: Simplify right side
    31,471.74x = 491,092,696.31
  5. Step 5: Solve for x
    x = 491,092,696.31/31,471.74
  6. Step 6: Final answer
    x = 15,604.24

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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.