Home / 35,780.44-49,376.82-19,648.06

Finding the Fourth Proportional to 35,780.44, 49,376.82 and 19,648.06

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Solution

The fourth proportional to 35,780.44, 49,376.82 and 19,648.06 is: 27,114.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,780.44 : 49,376.82 = 19,648.06 : x
  2. Step 2: Convert to fraction form
    35,780.44/49,376.82 = 19,648.06/x
  3. Step 3: Cross multiply
    35,780.44x = 49,376.82 × 19,648.06
  4. Step 4: Simplify right side
    35,780.44x = 970,158,721.97
  5. Step 5: Solve for x
    x = 970,158,721.97/35,780.44
  6. Step 6: Final answer
    x = 27,114.22

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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.