Home / 40,638.31-60,687.43-40,198.48

Finding the Fourth Proportional to 40,638.31, 60,687.43 and 40,198.48

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Solution

The fourth proportional to 40,638.31, 60,687.43 and 40,198.48 is: 60,030.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,638.31 : 60,687.43 = 40,198.48 : x
  2. Step 2: Convert to fraction form
    40,638.31/60,687.43 = 40,198.48/x
  3. Step 3: Cross multiply
    40,638.31x = 60,687.43 × 40,198.48
  4. Step 4: Simplify right side
    40,638.31x = 2,439,542,188.89
  5. Step 5: Solve for x
    x = 2,439,542,188.89/40,638.31
  6. Step 6: Final answer
    x = 60,030.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.