Home / 31,532.31-47,269.31-11,823.80

Finding the Fourth Proportional to 31,532.31, 47,269.31 and 11,823.80

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Solution

The fourth proportional to 31,532.31, 47,269.31 and 11,823.80 is: 17,724.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,532.31 : 47,269.31 = 11,823.80 : x
  2. Step 2: Convert to fraction form
    31,532.31/47,269.31 = 11,823.80/x
  3. Step 3: Cross multiply
    31,532.31x = 47,269.31 × 11,823.80
  4. Step 4: Simplify right side
    31,532.31x = 558,902,572.11
  5. Step 5: Solve for x
    x = 558,902,572.11/31,532.31
  6. Step 6: Final answer
    x = 17,724.76

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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.