Home / 31,371.98-47,063.79-10,313.19

Finding the Fourth Proportional to 31,371.98, 47,063.79 and 10,313.19

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Solution

The fourth proportional to 31,371.98, 47,063.79 and 10,313.19 is: 15,471.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,371.98 : 47,063.79 = 10,313.19 : x
  2. Step 2: Convert to fraction form
    31,371.98/47,063.79 = 10,313.19/x
  3. Step 3: Cross multiply
    31,371.98x = 47,063.79 × 10,313.19
  4. Step 4: Simplify right side
    31,371.98x = 485,377,808.39
  5. Step 5: Solve for x
    x = 485,377,808.39/31,371.98
  6. Step 6: Final answer
    x = 15,471.70

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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.