Home / 40,984.20-61,424.94-21,251.40

Finding the Fourth Proportional to 40,984.20, 61,424.94 and 21,251.40

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Solution

The fourth proportional to 40,984.20, 61,424.94 and 21,251.40 is: 31,850.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,984.20 : 61,424.94 = 21,251.40 : x
  2. Step 2: Convert to fraction form
    40,984.20/61,424.94 = 21,251.40/x
  3. Step 3: Cross multiply
    40,984.20x = 61,424.94 × 21,251.40
  4. Step 4: Simplify right side
    40,984.20x = 1,305,365,969.92
  5. Step 5: Solve for x
    x = 1,305,365,969.92/40,984.20
  6. Step 6: Final answer
    x = 31,850.47

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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.