Home / 39,979.73-55,171.67-22,074.35

Finding the Fourth Proportional to 39,979.73, 55,171.67 and 22,074.35

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Solution

The fourth proportional to 39,979.73, 55,171.67 and 22,074.35 is: 30,462.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,979.73 : 55,171.67 = 22,074.35 : x
  2. Step 2: Convert to fraction form
    39,979.73/55,171.67 = 22,074.35/x
  3. Step 3: Cross multiply
    39,979.73x = 55,171.67 × 22,074.35
  4. Step 4: Simplify right side
    39,979.73x = 1,217,878,367.43
  5. Step 5: Solve for x
    x = 1,217,878,367.43/39,979.73
  6. Step 6: Final answer
    x = 30,462.40

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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.