Home / 23,645.57-35,363.76-21,031.43

Finding the Fourth Proportional to 23,645.57, 35,363.76 and 21,031.43

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Solution

The fourth proportional to 23,645.57, 35,363.76 and 21,031.43 is: 31,454.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,645.57 : 35,363.76 = 21,031.43 : x
  2. Step 2: Convert to fraction form
    23,645.57/35,363.76 = 21,031.43/x
  3. Step 3: Cross multiply
    23,645.57x = 35,363.76 × 21,031.43
  4. Step 4: Simplify right side
    23,645.57x = 743,750,266.16
  5. Step 5: Solve for x
    x = 743,750,266.16/23,645.57
  6. Step 6: Final answer
    x = 31,454.11

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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.