Home / 39,748.69-54,853.14-21,844.83

Finding the Fourth Proportional to 39,748.69, 54,853.14 and 21,844.83

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Solution

The fourth proportional to 39,748.69, 54,853.14 and 21,844.83 is: 30,145.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,748.69 : 54,853.14 = 21,844.83 : x
  2. Step 2: Convert to fraction form
    39,748.69/54,853.14 = 21,844.83/x
  3. Step 3: Cross multiply
    39,748.69x = 54,853.14 × 21,844.83
  4. Step 4: Simplify right side
    39,748.69x = 1,198,257,518.27
  5. Step 5: Solve for x
    x = 1,198,257,518.27/39,748.69
  6. Step 6: Final answer
    x = 30,145.84

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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.