Home / 40,071.68-60,104.67-13,775.84

Finding the Fourth Proportional to 40,071.68, 60,104.67 and 13,775.84

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Solution

The fourth proportional to 40,071.68, 60,104.67 and 13,775.84 is: 20,662.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,071.68 : 60,104.67 = 13,775.84 : x
  2. Step 2: Convert to fraction form
    40,071.68/60,104.67 = 13,775.84/x
  3. Step 3: Cross multiply
    40,071.68x = 60,104.67 × 13,775.84
  4. Step 4: Simplify right side
    40,071.68x = 827,992,016.65
  5. Step 5: Solve for x
    x = 827,992,016.65/40,071.68
  6. Step 6: Final answer
    x = 20,662.78

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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.