Home / 39,956.21-59,923.92-11,869.65

Finding the Fourth Proportional to 39,956.21, 59,923.92 and 11,869.65

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Solution

The fourth proportional to 39,956.21, 59,923.92 and 11,869.65 is: 17,801.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,956.21 : 59,923.92 = 11,869.65 : x
  2. Step 2: Convert to fraction form
    39,956.21/59,923.92 = 11,869.65/x
  3. Step 3: Cross multiply
    39,956.21x = 59,923.92 × 11,869.65
  4. Step 4: Simplify right side
    39,956.21x = 711,275,957.03
  5. Step 5: Solve for x
    x = 711,275,957.03/39,956.21
  6. Step 6: Final answer
    x = 17,801.39

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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.