Home / 73,490.18-110,238.51-20,902.82

Finding the Fourth Proportional to 73,490.18, 110,238.51 and 20,902.82

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Solution

The fourth proportional to 73,490.18, 110,238.51 and 20,902.82 is: 31,355.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,490.18 : 110,238.51 = 20,902.82 : x
  2. Step 2: Convert to fraction form
    73,490.18/110,238.51 = 20,902.82/x
  3. Step 3: Cross multiply
    73,490.18x = 110,238.51 × 20,902.82
  4. Step 4: Simplify right side
    73,490.18x = 2,304,295,731.60
  5. Step 5: Solve for x
    x = 2,304,295,731.60/73,490.18
  6. Step 6: Final answer
    x = 31,355.15

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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.