Home / 38,110.75-57,155.88-15,919.54

Finding the Fourth Proportional to 38,110.75, 57,155.88 and 15,919.54

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Solution

The fourth proportional to 38,110.75, 57,155.88 and 15,919.54 is: 23,875.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,110.75 : 57,155.88 = 15,919.54 : x
  2. Step 2: Convert to fraction form
    38,110.75/57,155.88 = 15,919.54/x
  3. Step 3: Cross multiply
    38,110.75x = 57,155.88 × 15,919.54
  4. Step 4: Simplify right side
    38,110.75x = 909,895,145.16
  5. Step 5: Solve for x
    x = 909,895,145.16/38,110.75
  6. Step 6: Final answer
    x = 23,875.02

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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.