Home / 54,505.68-75,219.74-30,631.87

Finding the Fourth Proportional to 54,505.68, 75,219.74 and 30,631.87

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Solution

The fourth proportional to 54,505.68, 75,219.74 and 30,631.87 is: 42,273.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,505.68 : 75,219.74 = 30,631.87 : x
  2. Step 2: Convert to fraction form
    54,505.68/75,219.74 = 30,631.87/x
  3. Step 3: Cross multiply
    54,505.68x = 75,219.74 × 30,631.87
  4. Step 4: Simplify right side
    54,505.68x = 2,304,121,297.11
  5. Step 5: Solve for x
    x = 2,304,121,297.11/54,505.68
  6. Step 6: Final answer
    x = 42,273.05

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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.