Home / 29,519.86-40,738.18-18,196.84

Finding the Fourth Proportional to 29,519.86, 40,738.18 and 18,196.84

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Solution

The fourth proportional to 29,519.86, 40,738.18 and 18,196.84 is: 25,112.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,519.86 : 40,738.18 = 18,196.84 : x
  2. Step 2: Convert to fraction form
    29,519.86/40,738.18 = 18,196.84/x
  3. Step 3: Cross multiply
    29,519.86x = 40,738.18 × 18,196.84
  4. Step 4: Simplify right side
    29,519.86x = 741,306,143.35
  5. Step 5: Solve for x
    x = 741,306,143.35/29,519.86
  6. Step 6: Final answer
    x = 25,112.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.