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Finding the Fourth Proportional to 66,927.84, 92,361.68 and 36,711.36

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Solution

The fourth proportional to 66,927.84, 92,361.68 and 36,711.36 is: 50,662.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,927.84 : 92,361.68 = 36,711.36 : x
  2. Step 2: Convert to fraction form
    66,927.84/92,361.68 = 36,711.36/x
  3. Step 3: Cross multiply
    66,927.84x = 92,361.68 × 36,711.36
  4. Step 4: Simplify right side
    66,927.84x = 3,390,722,884.68
  5. Step 5: Solve for x
    x = 3,390,722,884.68/66,927.84
  6. Step 6: Final answer
    x = 50,662.37

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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.