Home / 41,920.23-62,819.21-19,437.78

Finding the Fourth Proportional to 41,920.23, 62,819.21 and 19,437.78

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Solution

The fourth proportional to 41,920.23, 62,819.21 and 19,437.78 is: 29,128.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,920.23 : 62,819.21 = 19,437.78 : x
  2. Step 2: Convert to fraction form
    41,920.23/62,819.21 = 19,437.78/x
  3. Step 3: Cross multiply
    41,920.23x = 62,819.21 × 19,437.78
  4. Step 4: Simplify right side
    41,920.23x = 1,221,065,983.75
  5. Step 5: Solve for x
    x = 1,221,065,983.75/41,920.23
  6. Step 6: Final answer
    x = 29,128.32

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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.