Home / 54,617.84-75,372.80-30,744.88

Finding the Fourth Proportional to 54,617.84, 75,372.80 and 30,744.88

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Solution

The fourth proportional to 54,617.84, 75,372.80 and 30,744.88 is: 42,428.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,617.84 : 75,372.80 = 30,744.88 : x
  2. Step 2: Convert to fraction form
    54,617.84/75,372.80 = 30,744.88/x
  3. Step 3: Cross multiply
    54,617.84x = 75,372.80 × 30,744.88
  4. Step 4: Simplify right side
    54,617.84x = 2,317,327,691.26
  5. Step 5: Solve for x
    x = 2,317,327,691.26/54,617.84
  6. Step 6: Final answer
    x = 42,428.04

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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.