Home / 40,383.68-60,583.56-15,422.72

Finding the Fourth Proportional to 40,383.68, 60,583.56 and 15,422.72

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Solution

The fourth proportional to 40,383.68, 60,583.56 and 15,422.72 is: 23,137.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,383.68 : 60,583.56 = 15,422.72 : x
  2. Step 2: Convert to fraction form
    40,383.68/60,583.56 = 15,422.72/x
  3. Step 3: Cross multiply
    40,383.68x = 60,583.56 × 15,422.72
  4. Step 4: Simplify right side
    40,383.68x = 934,363,282.48
  5. Step 5: Solve for x
    x = 934,363,282.48/40,383.68
  6. Step 6: Final answer
    x = 23,137.15

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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.