Home / 35,696.80-49,261.98-19,781.56

Finding the Fourth Proportional to 35,696.80, 49,261.98 and 19,781.56

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Solution

The fourth proportional to 35,696.80, 49,261.98 and 19,781.56 is: 27,298.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,696.80 : 49,261.98 = 19,781.56 : x
  2. Step 2: Convert to fraction form
    35,696.80/49,261.98 = 19,781.56/x
  3. Step 3: Cross multiply
    35,696.80x = 49,261.98 × 19,781.56
  4. Step 4: Simplify right side
    35,696.80x = 974,478,813.09
  5. Step 5: Solve for x
    x = 974,478,813.09/35,696.80
  6. Step 6: Final answer
    x = 27,298.77

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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.