Home / 54,374.96-75,037.72-31,729.84

Finding the Fourth Proportional to 54,374.96, 75,037.72 and 31,729.84

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Solution

The fourth proportional to 54,374.96, 75,037.72 and 31,729.84 is: 43,787.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,374.96 : 75,037.72 = 31,729.84 : x
  2. Step 2: Convert to fraction form
    54,374.96/75,037.72 = 31,729.84/x
  3. Step 3: Cross multiply
    54,374.96x = 75,037.72 × 31,729.84
  4. Step 4: Simplify right side
    54,374.96x = 2,380,934,849.56
  5. Step 5: Solve for x
    x = 2,380,934,849.56/54,374.96
  6. Step 6: Final answer
    x = 43,787.34

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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.