Home / 35,696.66-49,261.71-19,781.45

Finding the Fourth Proportional to 35,696.66, 49,261.71 and 19,781.45

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Solution

The fourth proportional to 35,696.66, 49,261.71 and 19,781.45 is: 27,298.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,696.66 : 49,261.71 = 19,781.45 : x
  2. Step 2: Convert to fraction form
    35,696.66/49,261.71 = 19,781.45/x
  3. Step 3: Cross multiply
    35,696.66x = 49,261.71 × 19,781.45
  4. Step 4: Simplify right side
    35,696.66x = 974,467,806.97
  5. Step 5: Solve for x
    x = 974,467,806.97/35,696.66
  6. Step 6: Final answer
    x = 27,298.57

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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.