Home / 51,812.11-71,500.72-29,456.11

Finding the Fourth Proportional to 51,812.11, 71,500.72 and 29,456.11

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Solution

The fourth proportional to 51,812.11, 71,500.72 and 29,456.11 is: 40,649.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,812.11 : 71,500.72 = 29,456.11 : x
  2. Step 2: Convert to fraction form
    51,812.11/71,500.72 = 29,456.11/x
  3. Step 3: Cross multiply
    51,812.11x = 71,500.72 × 29,456.11
  4. Step 4: Simplify right side
    51,812.11x = 2,106,132,821.01
  5. Step 5: Solve for x
    x = 2,106,132,821.01/51,812.11
  6. Step 6: Final answer
    x = 40,649.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.