Home / 39,724.32-54,772.56-25,577.76

Finding the Fourth Proportional to 39,724.32, 54,772.56 and 25,577.76

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Solution

The fourth proportional to 39,724.32, 54,772.56 and 25,577.76 is: 35,267.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,724.32 : 54,772.56 = 25,577.76 : x
  2. Step 2: Convert to fraction form
    39,724.32/54,772.56 = 25,577.76/x
  3. Step 3: Cross multiply
    39,724.32x = 54,772.56 × 25,577.76
  4. Step 4: Simplify right side
    39,724.32x = 1,400,959,394.27
  5. Step 5: Solve for x
    x = 1,400,959,394.27/39,724.32
  6. Step 6: Final answer
    x = 35,267.05

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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.