Home / 39,869.62-54,998.13-27,950.74

Finding the Fourth Proportional to 39,869.62, 54,998.13 and 27,950.74

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Solution

The fourth proportional to 39,869.62, 54,998.13 and 27,950.74 is: 38,556.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,869.62 : 54,998.13 = 27,950.74 : x
  2. Step 2: Convert to fraction form
    39,869.62/54,998.13 = 27,950.74/x
  3. Step 3: Cross multiply
    39,869.62x = 54,998.13 × 27,950.74
  4. Step 4: Simplify right side
    39,869.62x = 1,537,238,432.12
  5. Step 5: Solve for x
    x = 1,537,238,432.12/39,869.62
  6. Step 6: Final answer
    x = 38,556.64

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1.5x scale

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.