Home / 35,721.45-49,295.52-19,805.49

Finding the Fourth Proportional to 35,721.45, 49,295.52 and 19,805.49

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Solution

The fourth proportional to 35,721.45, 49,295.52 and 19,805.49 is: 27,331.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,721.45 : 49,295.52 = 19,805.49 : x
  2. Step 2: Convert to fraction form
    35,721.45/49,295.52 = 19,805.49/x
  3. Step 3: Cross multiply
    35,721.45x = 49,295.52 × 19,805.49
  4. Step 4: Simplify right side
    35,721.45x = 976,321,928.40
  5. Step 5: Solve for x
    x = 976,321,928.40/35,721.45
  6. Step 6: Final answer
    x = 27,331.53

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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.