Home / 66,984.64-92,439.96-36,772.78

Finding the Fourth Proportional to 66,984.64, 92,439.96 and 36,772.78

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Solution

The fourth proportional to 66,984.64, 92,439.96 and 36,772.78 is: 50,747.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,984.64 : 92,439.96 = 36,772.78 : x
  2. Step 2: Convert to fraction form
    66,984.64/92,439.96 = 36,772.78/x
  3. Step 3: Cross multiply
    66,984.64x = 92,439.96 × 36,772.78
  4. Step 4: Simplify right side
    66,984.64x = 3,399,274,312.29
  5. Step 5: Solve for x
    x = 3,399,274,312.29/66,984.64
  6. Step 6: Final answer
    x = 50,747.07

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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.