Home / 35,721.14-49,295.39-19,805.85

Finding the Fourth Proportional to 35,721.14, 49,295.39 and 19,805.85

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Solution

The fourth proportional to 35,721.14, 49,295.39 and 19,805.85 is: 27,332.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,721.14 : 49,295.39 = 19,805.85 : x
  2. Step 2: Convert to fraction form
    35,721.14/49,295.39 = 19,805.85/x
  3. Step 3: Cross multiply
    35,721.14x = 49,295.39 × 19,805.85
  4. Step 4: Simplify right side
    35,721.14x = 976,337,001.00
  5. Step 5: Solve for x
    x = 976,337,001.00/35,721.14
  6. Step 6: Final answer
    x = 27,332.19

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1.5x scale

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.