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Finding the Fourth Proportional to 65,574.27, 90,489.84 and 36,894.51

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Solution

The fourth proportional to 65,574.27, 90,489.84 and 36,894.51 is: 50,912.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,574.27 : 90,489.84 = 36,894.51 : x
  2. Step 2: Convert to fraction form
    65,574.27/90,489.84 = 36,894.51/x
  3. Step 3: Cross multiply
    65,574.27x = 90,489.84 × 36,894.51
  4. Step 4: Simplify right side
    65,574.27x = 3,338,578,306.78
  5. Step 5: Solve for x
    x = 3,338,578,306.78/65,574.27
  6. Step 6: Final answer
    x = 50,912.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.