Home / 40,922.20-61,415.70-15,974.20

Finding the Fourth Proportional to 40,922.20, 61,415.70 and 15,974.20

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Solution

The fourth proportional to 40,922.20, 61,415.70 and 15,974.20 is: 23,973.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,922.20 : 61,415.70 = 15,974.20 : x
  2. Step 2: Convert to fraction form
    40,922.20/61,415.70 = 15,974.20/x
  3. Step 3: Cross multiply
    40,922.20x = 61,415.70 × 15,974.20
  4. Step 4: Simplify right side
    40,922.20x = 981,066,674.94
  5. Step 5: Solve for x
    x = 981,066,674.94/40,922.20
  6. Step 6: Final answer
    x = 23,973.95

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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.