Home / 54,131.60-74,724.64-32,917.68

Finding the Fourth Proportional to 54,131.60, 74,724.64 and 32,917.68

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Solution

The fourth proportional to 54,131.60, 74,724.64 and 32,917.68 is: 45,440.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,131.60 : 74,724.64 = 32,917.68 : x
  2. Step 2: Convert to fraction form
    54,131.60/74,724.64 = 32,917.68/x
  3. Step 3: Cross multiply
    54,131.60x = 74,724.64 × 32,917.68
  4. Step 4: Simplify right side
    54,131.60x = 2,459,761,787.64
  5. Step 5: Solve for x
    x = 2,459,761,787.64/54,131.60
  6. Step 6: Final answer
    x = 45,440.40

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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.