Home / 31,475.49-47,220.57-10,414.68

Finding the Fourth Proportional to 31,475.49, 47,220.57 and 10,414.68

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Solution

The fourth proportional to 31,475.49, 47,220.57 and 10,414.68 is: 15,624.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,475.49 : 47,220.57 = 10,414.68 : x
  2. Step 2: Convert to fraction form
    31,475.49/47,220.57 = 10,414.68/x
  3. Step 3: Cross multiply
    31,475.49x = 47,220.57 × 10,414.68
  4. Step 4: Simplify right side
    31,475.49x = 491,787,125.97
  5. Step 5: Solve for x
    x = 491,787,125.97/31,475.49
  6. Step 6: Final answer
    x = 15,624.45

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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.