Home / 41,151.08-61,729.50-20,369

Finding the Fourth Proportional to 41,151.08, 61,729.50 and 20,369

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Solution

The fourth proportional to 41,151.08, 61,729.50 and 20,369 is: 30,554.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,151.08 : 61,729.50 = 20,369 : x
  2. Step 2: Convert to fraction form
    41,151.08/61,729.50 = 20,369/x
  3. Step 3: Cross multiply
    41,151.08x = 61,729.50 × 20,369
  4. Step 4: Simplify right side
    41,151.08x = 1,257,368,185.50
  5. Step 5: Solve for x
    x = 1,257,368,185.50/41,151.08
  6. Step 6: Final answer
    x = 30,554.93

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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.