Home / 35,696.70-49,261.57-19,781.42

Finding the Fourth Proportional to 35,696.70, 49,261.57 and 19,781.42

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Solution

The fourth proportional to 35,696.70, 49,261.57 and 19,781.42 is: 27,298.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,696.70 : 49,261.57 = 19,781.42 : x
  2. Step 2: Convert to fraction form
    35,696.70/49,261.57 = 19,781.42/x
  3. Step 3: Cross multiply
    35,696.70x = 49,261.57 × 19,781.42
  4. Step 4: Simplify right side
    35,696.70x = 974,463,510.27
  5. Step 5: Solve for x
    x = 974,463,510.27/35,696.70
  6. Step 6: Final answer
    x = 27,298.42

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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.