Home / 40,296.72-60,402.78-15,321.18

Finding the Fourth Proportional to 40,296.72, 60,402.78 and 15,321.18

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Solution

The fourth proportional to 40,296.72, 60,402.78 and 15,321.18 is: 22,965.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,296.72 : 60,402.78 = 15,321.18 : x
  2. Step 2: Convert to fraction form
    40,296.72/60,402.78 = 15,321.18/x
  3. Step 3: Cross multiply
    40,296.72x = 60,402.78 × 15,321.18
  4. Step 4: Simplify right side
    40,296.72x = 925,441,864.88
  5. Step 5: Solve for x
    x = 925,441,864.88/40,296.72
  6. Step 6: Final answer
    x = 22,965.69

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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.