Home / 40,290.62-60,415.07-18,084.87

Finding the Fourth Proportional to 40,290.62, 60,415.07 and 18,084.87

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Solution

The fourth proportional to 40,290.62, 60,415.07 and 18,084.87 is: 27,117.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,290.62 : 60,415.07 = 18,084.87 : x
  2. Step 2: Convert to fraction form
    40,290.62/60,415.07 = 18,084.87/x
  3. Step 3: Cross multiply
    40,290.62x = 60,415.07 × 18,084.87
  4. Step 4: Simplify right side
    40,290.62x = 1,092,598,596.57
  5. Step 5: Solve for x
    x = 1,092,598,596.57/40,290.62
  6. Step 6: Final answer
    x = 27,117.94

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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.