Home / 35,379.14-48,823.20-21,231.99

Finding the Fourth Proportional to 35,379.14, 48,823.20 and 21,231.99

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Solution

The fourth proportional to 35,379.14, 48,823.20 and 21,231.99 is: 29,300.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,379.14 : 48,823.20 = 21,231.99 : x
  2. Step 2: Convert to fraction form
    35,379.14/48,823.20 = 21,231.99/x
  3. Step 3: Cross multiply
    35,379.14x = 48,823.20 × 21,231.99
  4. Step 4: Simplify right side
    35,379.14x = 1,036,613,694.17
  5. Step 5: Solve for x
    x = 1,036,613,694.17/35,379.14
  6. Step 6: Final answer
    x = 29,300.14

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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.