Home / 73,815.75-110,724.03-18,411.75

Finding the Fourth Proportional to 73,815.75, 110,724.03 and 18,411.75

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Solution

The fourth proportional to 73,815.75, 110,724.03 and 18,411.75 is: 27,617.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,815.75 : 110,724.03 = 18,411.75 : x
  2. Step 2: Convert to fraction form
    73,815.75/110,724.03 = 18,411.75/x
  3. Step 3: Cross multiply
    73,815.75x = 110,724.03 × 18,411.75
  4. Step 4: Simplify right side
    73,815.75x = 2,038,623,159.35
  5. Step 5: Solve for x
    x = 2,038,623,159.35/73,815.75
  6. Step 6: Final answer
    x = 27,617.73

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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.