Home / 35,647.10-49,189.62-21,304.08

Finding the Fourth Proportional to 35,647.10, 49,189.62 and 21,304.08

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Solution

The fourth proportional to 35,647.10, 49,189.62 and 21,304.08 is: 29,397.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,647.10 : 49,189.62 = 21,304.08 : x
  2. Step 2: Convert to fraction form
    35,647.10/49,189.62 = 21,304.08/x
  3. Step 3: Cross multiply
    35,647.10x = 49,189.62 × 21,304.08
  4. Step 4: Simplify right side
    35,647.10x = 1,047,939,679.54
  5. Step 5: Solve for x
    x = 1,047,939,679.54/35,647.10
  6. Step 6: Final answer
    x = 29,397.61

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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.