Home / 38,609.20-57,913.80-29,850.40

Finding the Fourth Proportional to 38,609.20, 57,913.80 and 29,850.40

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Solution

The fourth proportional to 38,609.20, 57,913.80 and 29,850.40 is: 44,775.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,609.20 : 57,913.80 = 29,850.40 : x
  2. Step 2: Convert to fraction form
    38,609.20/57,913.80 = 29,850.40/x
  3. Step 3: Cross multiply
    38,609.20x = 57,913.80 × 29,850.40
  4. Step 4: Simplify right side
    38,609.20x = 1,728,750,095.52
  5. Step 5: Solve for x
    x = 1,728,750,095.52/38,609.20
  6. Step 6: Final answer
    x = 44,775.60

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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.