Home / 60,488.11-90,722.44-18,935.11

Finding the Fourth Proportional to 60,488.11, 90,722.44 and 18,935.11

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Solution

The fourth proportional to 60,488.11, 90,722.44 and 18,935.11 is: 28,399.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,488.11 : 90,722.44 = 18,935.11 : x
  2. Step 2: Convert to fraction form
    60,488.11/90,722.44 = 18,935.11/x
  3. Step 3: Cross multiply
    60,488.11x = 90,722.44 × 18,935.11
  4. Step 4: Simplify right side
    60,488.11x = 1,717,839,380.87
  5. Step 5: Solve for x
    x = 1,717,839,380.87/60,488.11
  6. Step 6: Final answer
    x = 28,399.62

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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.