Home / 39,979.44-55,172.34-22,073.38

Finding the Fourth Proportional to 39,979.44, 55,172.34 and 22,073.38

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Solution

The fourth proportional to 39,979.44, 55,172.34 and 22,073.38 is: 30,461.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,979.44 : 55,172.34 = 22,073.38 : x
  2. Step 2: Convert to fraction form
    39,979.44/55,172.34 = 22,073.38/x
  3. Step 3: Cross multiply
    39,979.44x = 55,172.34 × 22,073.38
  4. Step 4: Simplify right side
    39,979.44x = 1,217,840,026.31
  5. Step 5: Solve for x
    x = 1,217,840,026.31/39,979.44
  6. Step 6: Final answer
    x = 30,461.66

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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.