Home / 76,855.40-115,273.38-24,270.20

Finding the Fourth Proportional to 76,855.40, 115,273.38 and 24,270.20

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Solution

The fourth proportional to 76,855.40, 115,273.38 and 24,270.20 is: 36,402.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,855.40 : 115,273.38 = 24,270.20 : x
  2. Step 2: Convert to fraction form
    76,855.40/115,273.38 = 24,270.20/x
  3. Step 3: Cross multiply
    76,855.40x = 115,273.38 × 24,270.20
  4. Step 4: Simplify right side
    76,855.40x = 2,797,707,987.28
  5. Step 5: Solve for x
    x = 2,797,707,987.28/76,855.40
  6. Step 6: Final answer
    x = 36,402.23

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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.