Home / 54,794.20-75,614.70-30,921.88

Finding the Fourth Proportional to 54,794.20, 75,614.70 and 30,921.88

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Solution

The fourth proportional to 54,794.20, 75,614.70 and 30,921.88 is: 42,671.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,794.20 : 75,614.70 = 30,921.88 : x
  2. Step 2: Convert to fraction form
    54,794.20/75,614.70 = 30,921.88/x
  3. Step 3: Cross multiply
    54,794.20x = 75,614.70 × 30,921.88
  4. Step 4: Simplify right side
    54,794.20x = 2,338,148,679.64
  5. Step 5: Solve for x
    x = 2,338,148,679.64/54,794.20
  6. Step 6: Final answer
    x = 42,671.46

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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.