Home / 54,581.44-75,323.12-30,705.88

Finding the Fourth Proportional to 54,581.44, 75,323.12 and 30,705.88

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Solution

The fourth proportional to 54,581.44, 75,323.12 and 30,705.88 is: 42,374.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,581.44 : 75,323.12 = 30,705.88 : x
  2. Step 2: Convert to fraction form
    54,581.44/75,323.12 = 30,705.88/x
  3. Step 3: Cross multiply
    54,581.44x = 75,323.12 × 30,705.88
  4. Step 4: Simplify right side
    54,581.44x = 2,312,862,683.95
  5. Step 5: Solve for x
    x = 2,312,862,683.95/54,581.44
  6. Step 6: Final answer
    x = 42,374.53

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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.