Home / 31,553.98-47,360.14-15,982.54

Finding the Fourth Proportional to 31,553.98, 47,360.14 and 15,982.54

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Solution

The fourth proportional to 31,553.98, 47,360.14 and 15,982.54 is: 23,988.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,553.98 : 47,360.14 = 15,982.54 : x
  2. Step 2: Convert to fraction form
    31,553.98/47,360.14 = 15,982.54/x
  3. Step 3: Cross multiply
    31,553.98x = 47,360.14 × 15,982.54
  4. Step 4: Simplify right side
    31,553.98x = 756,935,331.96
  5. Step 5: Solve for x
    x = 756,935,331.96/31,553.98
  6. Step 6: Final answer
    x = 23,988.59

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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.