Home / 40,421.99-60,618.20-15,449.69

Finding the Fourth Proportional to 40,421.99, 60,618.20 and 15,449.69

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Solution

The fourth proportional to 40,421.99, 60,618.20 and 15,449.69 is: 23,168.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,421.99 : 60,618.20 = 15,449.69 : x
  2. Step 2: Convert to fraction form
    40,421.99/60,618.20 = 15,449.69/x
  3. Step 3: Cross multiply
    40,421.99x = 60,618.20 × 15,449.69
  4. Step 4: Simplify right side
    40,421.99x = 936,532,018.02
  5. Step 5: Solve for x
    x = 936,532,018.02/40,421.99
  6. Step 6: Final answer
    x = 23,168.88

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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.