Home / 31,581.01-47,365.11-11,583.70

Finding the Fourth Proportional to 31,581.01, 47,365.11 and 11,583.70

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Solution

The fourth proportional to 31,581.01, 47,365.11 and 11,583.70 is: 17,373.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,581.01 : 47,365.11 = 11,583.70 : x
  2. Step 2: Convert to fraction form
    31,581.01/47,365.11 = 11,583.70/x
  3. Step 3: Cross multiply
    31,581.01x = 47,365.11 × 11,583.70
  4. Step 4: Simplify right side
    31,581.01x = 548,663,081.96
  5. Step 5: Solve for x
    x = 548,663,081.96/31,581.01
  6. Step 6: Final answer
    x = 17,373.20

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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.