Home / 41,154.28-61,721.70-18,953.80

Finding the Fourth Proportional to 41,154.28, 61,721.70 and 18,953.80

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Solution

The fourth proportional to 41,154.28, 61,721.70 and 18,953.80 is: 28,426.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,154.28 : 61,721.70 = 18,953.80 : x
  2. Step 2: Convert to fraction form
    41,154.28/61,721.70 = 18,953.80/x
  3. Step 3: Cross multiply
    41,154.28x = 61,721.70 × 18,953.80
  4. Step 4: Simplify right side
    41,154.28x = 1,169,860,757.46
  5. Step 5: Solve for x
    x = 1,169,860,757.46/41,154.28
  6. Step 6: Final answer
    x = 28,426.22

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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.