Home / 38,514.75-57,775.41-10,812.75

Finding the Fourth Proportional to 38,514.75, 57,775.41 and 10,812.75

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Solution

The fourth proportional to 38,514.75, 57,775.41 and 10,812.75 is: 16,220.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,514.75 : 57,775.41 = 10,812.75 : x
  2. Step 2: Convert to fraction form
    38,514.75/57,775.41 = 10,812.75/x
  3. Step 3: Cross multiply
    38,514.75x = 57,775.41 × 10,812.75
  4. Step 4: Simplify right side
    38,514.75x = 624,711,064.48
  5. Step 5: Solve for x
    x = 624,711,064.48/38,514.75
  6. Step 6: Final answer
    x = 16,220.05

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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.