Home / 38,241.68-57,340.12-11,579.76

Finding the Fourth Proportional to 38,241.68, 57,340.12 and 11,579.76

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Solution

The fourth proportional to 38,241.68, 57,340.12 and 11,579.76 is: 17,362.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,241.68 : 57,340.12 = 11,579.76 : x
  2. Step 2: Convert to fraction form
    38,241.68/57,340.12 = 11,579.76/x
  3. Step 3: Cross multiply
    38,241.68x = 57,340.12 × 11,579.76
  4. Step 4: Simplify right side
    38,241.68x = 663,984,827.97
  5. Step 5: Solve for x
    x = 663,984,827.97/38,241.68
  6. Step 6: Final answer
    x = 17,362.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.