Home / 54,724.40-75,513.23-30,849.65

Finding the Fourth Proportional to 54,724.40, 75,513.23 and 30,849.65

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Solution

The fourth proportional to 54,724.40, 75,513.23 and 30,849.65 is: 42,568.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,724.40 : 75,513.23 = 30,849.65 : x
  2. Step 2: Convert to fraction form
    54,724.40/75,513.23 = 30,849.65/x
  3. Step 3: Cross multiply
    54,724.40x = 75,513.23 × 30,849.65
  4. Step 4: Simplify right side
    54,724.40x = 2,329,556,184.06
  5. Step 5: Solve for x
    x = 2,329,556,184.06/54,724.40
  6. Step 6: Final answer
    x = 42,568.88

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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.