Home / 40,199.24-55,478.28-22,300

Finding the Fourth Proportional to 40,199.24, 55,478.28 and 22,300

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Solution

The fourth proportional to 40,199.24, 55,478.28 and 22,300 is: 30,775.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,199.24 : 55,478.28 = 22,300 : x
  2. Step 2: Convert to fraction form
    40,199.24/55,478.28 = 22,300/x
  3. Step 3: Cross multiply
    40,199.24x = 55,478.28 × 22,300
  4. Step 4: Simplify right side
    40,199.24x = 1,237,165,644
  5. Step 5: Solve for x
    x = 1,237,165,644/40,199.24
  6. Step 6: Final answer
    x = 30,775.85

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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.