Home / 40,578.40-60,826.20-27,432.10

Finding the Fourth Proportional to 40,578.40, 60,826.20 and 27,432.10

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Solution

The fourth proportional to 40,578.40, 60,826.20 and 27,432.10 is: 41,120.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,578.40 : 60,826.20 = 27,432.10 : x
  2. Step 2: Convert to fraction form
    40,578.40/60,826.20 = 27,432.10/x
  3. Step 3: Cross multiply
    40,578.40x = 60,826.20 × 27,432.10
  4. Step 4: Simplify right side
    40,578.40x = 1,668,590,401.02
  5. Step 5: Solve for x
    x = 1,668,590,401.02/40,578.40
  6. Step 6: Final answer
    x = 41,120.16

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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.