Home / 38,114.97-57,181.53-13,155.23

Finding the Fourth Proportional to 38,114.97, 57,181.53 and 13,155.23

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Solution

The fourth proportional to 38,114.97, 57,181.53 and 13,155.23 is: 19,735.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,114.97 : 57,181.53 = 13,155.23 : x
  2. Step 2: Convert to fraction form
    38,114.97/57,181.53 = 13,155.23/x
  3. Step 3: Cross multiply
    38,114.97x = 57,181.53 × 13,155.23
  4. Step 4: Simplify right side
    38,114.97x = 752,236,178.90
  5. Step 5: Solve for x
    x = 752,236,178.90/38,114.97
  6. Step 6: Final answer
    x = 19,735.98

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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.