Home / 54,758.40-75,564.86-30,560.04

Finding the Fourth Proportional to 54,758.40, 75,564.86 and 30,560.04

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Solution

The fourth proportional to 54,758.40, 75,564.86 and 30,560.04 is: 42,171.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,758.40 : 75,564.86 = 30,560.04 : x
  2. Step 2: Convert to fraction form
    54,758.40/75,564.86 = 30,560.04/x
  3. Step 3: Cross multiply
    54,758.40x = 75,564.86 × 30,560.04
  4. Step 4: Simplify right side
    54,758.40x = 2,309,265,144.19
  5. Step 5: Solve for x
    x = 2,309,265,144.19/54,758.40
  6. Step 6: Final answer
    x = 42,171.89

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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.