Home / 40,301.13-55,616.91-22,396.89

Finding the Fourth Proportional to 40,301.13, 55,616.91 and 22,396.89

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Solution

The fourth proportional to 40,301.13, 55,616.91 and 22,396.89 is: 30,908.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,301.13 : 55,616.91 = 22,396.89 : x
  2. Step 2: Convert to fraction form
    40,301.13/55,616.91 = 22,396.89/x
  3. Step 3: Cross multiply
    40,301.13x = 55,616.91 × 22,396.89
  4. Step 4: Simplify right side
    40,301.13x = 1,245,645,815.41
  5. Step 5: Solve for x
    x = 1,245,645,815.41/40,301.13
  6. Step 6: Final answer
    x = 30,908.46

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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.