Home / 54,613.96-75,369.68-30,742.18

Finding the Fourth Proportional to 54,613.96, 75,369.68 and 30,742.18

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Solution

The fourth proportional to 54,613.96, 75,369.68 and 30,742.18 is: 42,425.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,613.96 : 75,369.68 = 30,742.18 : x
  2. Step 2: Convert to fraction form
    54,613.96/75,369.68 = 30,742.18/x
  3. Step 3: Cross multiply
    54,613.96x = 75,369.68 × 30,742.18
  4. Step 4: Simplify right side
    54,613.96x = 2,317,028,269.10
  5. Step 5: Solve for x
    x = 2,317,028,269.10/54,613.96
  6. Step 6: Final answer
    x = 42,425.57

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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.