Home / 40,388.20-60,618.30-23,727.40

Finding the Fourth Proportional to 40,388.20, 60,618.30 and 23,727.40

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Solution

The fourth proportional to 40,388.20, 60,618.30 and 23,727.40 is: 35,612.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,388.20 : 60,618.30 = 23,727.40 : x
  2. Step 2: Convert to fraction form
    40,388.20/60,618.30 = 23,727.40/x
  3. Step 3: Cross multiply
    40,388.20x = 60,618.30 × 23,727.40
  4. Step 4: Simplify right side
    40,388.20x = 1,438,314,651.42
  5. Step 5: Solve for x
    x = 1,438,314,651.42/40,388.20
  6. Step 6: Final answer
    x = 35,612.25

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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.