Home / 31,371.67-47,045.25-11,376.42

Finding the Fourth Proportional to 31,371.67, 47,045.25 and 11,376.42

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Solution

The fourth proportional to 31,371.67, 47,045.25 and 11,376.42 is: 17,060.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,371.67 : 47,045.25 = 11,376.42 : x
  2. Step 2: Convert to fraction form
    31,371.67/47,045.25 = 11,376.42/x
  3. Step 3: Cross multiply
    31,371.67x = 47,045.25 × 11,376.42
  4. Step 4: Simplify right side
    31,371.67x = 535,206,346.59
  5. Step 5: Solve for x
    x = 535,206,346.59/31,371.67
  6. Step 6: Final answer
    x = 17,060.18

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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.