Home / 54,449.28-75,140.64-30,581.28

Finding the Fourth Proportional to 54,449.28, 75,140.64 and 30,581.28

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Solution

The fourth proportional to 54,449.28, 75,140.64 and 30,581.28 is: 42,202.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,449.28 : 75,140.64 = 30,581.28 : x
  2. Step 2: Convert to fraction form
    54,449.28/75,140.64 = 30,581.28/x
  3. Step 3: Cross multiply
    54,449.28x = 75,140.64 × 30,581.28
  4. Step 4: Simplify right side
    54,449.28x = 2,297,896,951.22
  5. Step 5: Solve for x
    x = 2,297,896,951.22/54,449.28
  6. Step 6: Final answer
    x = 42,202.52

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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.