Home / 54,119.28-74,684.28-30,245.76

Finding the Fourth Proportional to 54,119.28, 74,684.28 and 30,245.76

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Solution

The fourth proportional to 54,119.28, 74,684.28 and 30,245.76 is: 41,738.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,119.28 : 74,684.28 = 30,245.76 : x
  2. Step 2: Convert to fraction form
    54,119.28/74,684.28 = 30,245.76/x
  3. Step 3: Cross multiply
    54,119.28x = 74,684.28 × 30,245.76
  4. Step 4: Simplify right side
    54,119.28x = 2,258,882,808.65
  5. Step 5: Solve for x
    x = 2,258,882,808.65/54,119.28
  6. Step 6: Final answer
    x = 41,738.97

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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.