Home / 40,839.60-56,367.60-25,741.20

Finding the Fourth Proportional to 40,839.60, 56,367.60 and 25,741.20

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Solution

The fourth proportional to 40,839.60, 56,367.60 and 25,741.20 is: 35,528.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,839.60 : 56,367.60 = 25,741.20 : x
  2. Step 2: Convert to fraction form
    40,839.60/56,367.60 = 25,741.20/x
  3. Step 3: Cross multiply
    40,839.60x = 56,367.60 × 25,741.20
  4. Step 4: Simplify right side
    40,839.60x = 1,450,969,665.12
  5. Step 5: Solve for x
    x = 1,450,969,665.12/40,839.60
  6. Step 6: Final answer
    x = 35,528.50

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1.5x scale

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.