Home / 40,089.98-55,324.27-22,186.21

Finding the Fourth Proportional to 40,089.98, 55,324.27 and 22,186.21

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Solution

The fourth proportional to 40,089.98, 55,324.27 and 22,186.21 is: 30,617.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,089.98 : 55,324.27 = 22,186.21 : x
  2. Step 2: Convert to fraction form
    40,089.98/55,324.27 = 22,186.21/x
  3. Step 3: Cross multiply
    40,089.98x = 55,324.27 × 22,186.21
  4. Step 4: Simplify right side
    40,089.98x = 1,227,435,872.32
  5. Step 5: Solve for x
    x = 1,227,435,872.32/40,089.98
  6. Step 6: Final answer
    x = 30,617.02

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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.