Home / 40,045.62-55,262.10-22,141.38

Finding the Fourth Proportional to 40,045.62, 55,262.10 and 22,141.38

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Solution

The fourth proportional to 40,045.62, 55,262.10 and 22,141.38 is: 30,554.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,045.62 : 55,262.10 = 22,141.38 : x
  2. Step 2: Convert to fraction form
    40,045.62/55,262.10 = 22,141.38/x
  3. Step 3: Cross multiply
    40,045.62x = 55,262.10 × 22,141.38
  4. Step 4: Simplify right side
    40,045.62x = 1,223,579,155.70
  5. Step 5: Solve for x
    x = 1,223,579,155.70/40,045.62
  6. Step 6: Final answer
    x = 30,554.63

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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.