Home / 40,387.55-55,736.64-23,392.53

Finding the Fourth Proportional to 40,387.55, 55,736.64 and 23,392.53

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Solution

The fourth proportional to 40,387.55, 55,736.64 and 23,392.53 is: 32,282.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,387.55 : 55,736.64 = 23,392.53 : x
  2. Step 2: Convert to fraction form
    40,387.55/55,736.64 = 23,392.53/x
  3. Step 3: Cross multiply
    40,387.55x = 55,736.64 × 23,392.53
  4. Step 4: Simplify right side
    40,387.55x = 1,303,821,023.30
  5. Step 5: Solve for x
    x = 1,303,821,023.30/40,387.55
  6. Step 6: Final answer
    x = 32,282.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.