Home / 54,602.82-75,350.70-30,729.78

Finding the Fourth Proportional to 54,602.82, 75,350.70 and 30,729.78

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Solution

The fourth proportional to 54,602.82, 75,350.70 and 30,729.78 is: 42,406.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,602.82 : 75,350.70 = 30,729.78 : x
  2. Step 2: Convert to fraction form
    54,602.82/75,350.70 = 30,729.78/x
  3. Step 3: Cross multiply
    54,602.82x = 75,350.70 × 30,729.78
  4. Step 4: Simplify right side
    54,602.82x = 2,315,510,433.85
  5. Step 5: Solve for x
    x = 2,315,510,433.85/54,602.82
  6. Step 6: Final answer
    x = 42,406.43

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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.