Home / 40,045.88-55,260.38-22,141.10

Finding the Fourth Proportional to 40,045.88, 55,260.38 and 22,141.10

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Solution

The fourth proportional to 40,045.88, 55,260.38 and 22,141.10 is: 30,553.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,045.88 : 55,260.38 = 22,141.10 : x
  2. Step 2: Convert to fraction form
    40,045.88/55,260.38 = 22,141.10/x
  3. Step 3: Cross multiply
    40,045.88x = 55,260.38 × 22,141.10
  4. Step 4: Simplify right side
    40,045.88x = 1,223,525,599.62
  5. Step 5: Solve for x
    x = 1,223,525,599.62/40,045.88
  6. Step 6: Final answer
    x = 30,553.10

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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.