Home / 54,760.78-75,571.01-30,882.88

Finding the Fourth Proportional to 54,760.78, 75,571.01 and 30,882.88

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Solution

The fourth proportional to 54,760.78, 75,571.01 and 30,882.88 is: 42,619.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,760.78 : 75,571.01 = 30,882.88 : x
  2. Step 2: Convert to fraction form
    54,760.78/75,571.01 = 30,882.88/x
  3. Step 3: Cross multiply
    54,760.78x = 75,571.01 × 30,882.88
  4. Step 4: Simplify right side
    54,760.78x = 2,333,850,433.31
  5. Step 5: Solve for x
    x = 2,333,850,433.31/54,760.78
  6. Step 6: Final answer
    x = 42,619.01

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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.