Home / 40,186.74-60,338.97-39,478.08

Finding the Fourth Proportional to 40,186.74, 60,338.97 and 39,478.08

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Solution

The fourth proportional to 40,186.74, 60,338.97 and 39,478.08 is: 59,274.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,186.74 : 60,338.97 = 39,478.08 : x
  2. Step 2: Convert to fraction form
    40,186.74/60,338.97 = 39,478.08/x
  3. Step 3: Cross multiply
    40,186.74x = 60,338.97 × 39,478.08
  4. Step 4: Simplify right side
    40,186.74x = 2,382,066,684.78
  5. Step 5: Solve for x
    x = 2,382,066,684.78/40,186.74
  6. Step 6: Final answer
    x = 59,274.94

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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.