Home / 54,371.79-75,028.04-30,493.84

Finding the Fourth Proportional to 54,371.79, 75,028.04 and 30,493.84

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Solution

The fourth proportional to 54,371.79, 75,028.04 and 30,493.84 is: 42,078.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,371.79 : 75,028.04 = 30,493.84 : x
  2. Step 2: Convert to fraction form
    54,371.79/75,028.04 = 30,493.84/x
  3. Step 3: Cross multiply
    54,371.79x = 75,028.04 × 30,493.84
  4. Step 4: Simplify right side
    54,371.79x = 2,287,893,047.27
  5. Step 5: Solve for x
    x = 2,287,893,047.27/54,371.79
  6. Step 6: Final answer
    x = 42,078.68

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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.