Home / 40,578.54-60,873.56-12,500.87

Finding the Fourth Proportional to 40,578.54, 60,873.56 and 12,500.87

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Solution

The fourth proportional to 40,578.54, 60,873.56 and 12,500.87 is: 18,753.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,578.54 : 60,873.56 = 12,500.87 : x
  2. Step 2: Convert to fraction form
    40,578.54/60,873.56 = 12,500.87/x
  3. Step 3: Cross multiply
    40,578.54x = 60,873.56 × 12,500.87
  4. Step 4: Simplify right side
    40,578.54x = 760,972,140.00
  5. Step 5: Solve for x
    x = 760,972,140.00/40,578.54
  6. Step 6: Final answer
    x = 18,753.07

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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.