Home / 40,015.11-60,056.35-20,018.61

Finding the Fourth Proportional to 40,015.11, 60,056.35 and 20,018.61

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Solution

The fourth proportional to 40,015.11, 60,056.35 and 20,018.61 is: 30,044.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,015.11 : 60,056.35 = 20,018.61 : x
  2. Step 2: Convert to fraction form
    40,015.11/60,056.35 = 20,018.61/x
  3. Step 3: Cross multiply
    40,015.11x = 60,056.35 × 20,018.61
  4. Step 4: Simplify right side
    40,015.11x = 1,202,244,373.42
  5. Step 5: Solve for x
    x = 1,202,244,373.42/40,015.11
  6. Step 6: Final answer
    x = 30,044.76

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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.