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Finding the Fourth Proportional to 35,687.66, 49,250.52 and 19,772.06

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Solution

The fourth proportional to 35,687.66, 49,250.52 and 19,772.06 is: 27,286.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,687.66 : 49,250.52 = 19,772.06 : x
  2. Step 2: Convert to fraction form
    35,687.66/49,250.52 = 19,772.06/x
  3. Step 3: Cross multiply
    35,687.66x = 49,250.52 × 19,772.06
  4. Step 4: Simplify right side
    35,687.66x = 973,784,236.47
  5. Step 5: Solve for x
    x = 973,784,236.47/35,687.66
  6. Step 6: Final answer
    x = 27,286.30

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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.