Home / 40,803.24-61,223.72-18,623.42

Finding the Fourth Proportional to 40,803.24, 61,223.72 and 18,623.42

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Solution

The fourth proportional to 40,803.24, 61,223.72 and 18,623.42 is: 27,943.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,803.24 : 61,223.72 = 18,623.42 : x
  2. Step 2: Convert to fraction form
    40,803.24/61,223.72 = 18,623.42/x
  3. Step 3: Cross multiply
    40,803.24x = 61,223.72 × 18,623.42
  4. Step 4: Simplify right side
    40,803.24x = 1,140,194,652.29
  5. Step 5: Solve for x
    x = 1,140,194,652.29/40,803.24
  6. Step 6: Final answer
    x = 27,943.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.