Home / 54,123.68-74,685.69-30,249.54

Finding the Fourth Proportional to 54,123.68, 74,685.69 and 30,249.54

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Solution

The fourth proportional to 54,123.68, 74,685.69 and 30,249.54 is: 41,741.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,123.68 : 74,685.69 = 30,249.54 : x
  2. Step 2: Convert to fraction form
    54,123.68/74,685.69 = 30,249.54/x
  3. Step 3: Cross multiply
    54,123.68x = 74,685.69 × 30,249.54
  4. Step 4: Simplify right side
    54,123.68x = 2,259,207,767.08
  5. Step 5: Solve for x
    x = 2,259,207,767.08/54,123.68
  6. Step 6: Final answer
    x = 41,741.58

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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.