Home / 40,019.01-60,020.81-18,665.83

Finding the Fourth Proportional to 40,019.01, 60,020.81 and 18,665.83

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Solution

The fourth proportional to 40,019.01, 60,020.81 and 18,665.83 is: 27,995.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,019.01 : 60,020.81 = 18,665.83 : x
  2. Step 2: Convert to fraction form
    40,019.01/60,020.81 = 18,665.83/x
  3. Step 3: Cross multiply
    40,019.01x = 60,020.81 × 18,665.83
  4. Step 4: Simplify right side
    40,019.01x = 1,120,338,235.92
  5. Step 5: Solve for x
    x = 1,120,338,235.92/40,019.01
  6. Step 6: Final answer
    x = 27,995.15

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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.