Home / 41,278.77-61,920.81-11,698.95

Finding the Fourth Proportional to 41,278.77, 61,920.81 and 11,698.95

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Solution

The fourth proportional to 41,278.77, 61,920.81 and 11,698.95 is: 17,549.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,278.77 : 61,920.81 = 11,698.95 : x
  2. Step 2: Convert to fraction form
    41,278.77/61,920.81 = 11,698.95/x
  3. Step 3: Cross multiply
    41,278.77x = 61,920.81 × 11,698.95
  4. Step 4: Simplify right side
    41,278.77x = 724,408,460.15
  5. Step 5: Solve for x
    x = 724,408,460.15/41,278.77
  6. Step 6: Final answer
    x = 17,549.18

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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.