Home / 35,721.33-49,295.35-19,805.37

Finding the Fourth Proportional to 35,721.33, 49,295.35 and 19,805.37

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Solution

The fourth proportional to 35,721.33, 49,295.35 and 19,805.37 is: 27,331.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,721.33 : 49,295.35 = 19,805.37 : x
  2. Step 2: Convert to fraction form
    35,721.33/49,295.35 = 19,805.37/x
  3. Step 3: Cross multiply
    35,721.33x = 49,295.35 × 19,805.37
  4. Step 4: Simplify right side
    35,721.33x = 976,312,646.03
  5. Step 5: Solve for x
    x = 976,312,646.03/35,721.33
  6. Step 6: Final answer
    x = 27,331.36

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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.