Home / 40,013.39-55,216.99-22,108.01

Finding the Fourth Proportional to 40,013.39, 55,216.99 and 22,108.01

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Solution

The fourth proportional to 40,013.39, 55,216.99 and 22,108.01 is: 30,508.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,013.39 : 55,216.99 = 22,108.01 : x
  2. Step 2: Convert to fraction form
    40,013.39/55,216.99 = 22,108.01/x
  3. Step 3: Cross multiply
    40,013.39x = 55,216.99 × 22,108.01
  4. Step 4: Simplify right side
    40,013.39x = 1,220,737,767.09
  5. Step 5: Solve for x
    x = 1,220,737,767.09/40,013.39
  6. Step 6: Final answer
    x = 30,508.23

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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.