Home / 40,100.67-60,141.78-15,143.31

Finding the Fourth Proportional to 40,100.67, 60,141.78 and 15,143.31

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Solution

The fourth proportional to 40,100.67, 60,141.78 and 15,143.31 is: 22,711.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,100.67 : 60,141.78 = 15,143.31 : x
  2. Step 2: Convert to fraction form
    40,100.67/60,141.78 = 15,143.31/x
  3. Step 3: Cross multiply
    40,100.67x = 60,141.78 × 15,143.31
  4. Step 4: Simplify right side
    40,100.67x = 910,745,618.49
  5. Step 5: Solve for x
    x = 910,745,618.49/40,100.67
  6. Step 6: Final answer
    x = 22,711.48

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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.