Home / 38,672.20-57,878.70-34,006.60

Finding the Fourth Proportional to 38,672.20, 57,878.70 and 34,006.60

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Solution

The fourth proportional to 38,672.20, 57,878.70 and 34,006.60 is: 50,895.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,672.20 : 57,878.70 = 34,006.60 : x
  2. Step 2: Convert to fraction form
    38,672.20/57,878.70 = 34,006.60/x
  3. Step 3: Cross multiply
    38,672.20x = 57,878.70 × 34,006.60
  4. Step 4: Simplify right side
    38,672.20x = 1,968,257,799.42
  5. Step 5: Solve for x
    x = 1,968,257,799.42/38,672.20
  6. Step 6: Final answer
    x = 50,895.94

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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.