Home / 40,282.41-60,443.46-18,111.90

Finding the Fourth Proportional to 40,282.41, 60,443.46 and 18,111.90

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Solution

The fourth proportional to 40,282.41, 60,443.46 and 18,111.90 is: 27,176.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,282.41 : 60,443.46 = 18,111.90 : x
  2. Step 2: Convert to fraction form
    40,282.41/60,443.46 = 18,111.90/x
  3. Step 3: Cross multiply
    40,282.41x = 60,443.46 × 18,111.90
  4. Step 4: Simplify right side
    40,282.41x = 1,094,745,600.96
  5. Step 5: Solve for x
    x = 1,094,745,600.96/40,282.41
  6. Step 6: Final answer
    x = 27,176.77

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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.