Home / 66,270.21-91,454.46-37,591.80

Finding the Fourth Proportional to 66,270.21, 91,454.46 and 37,591.80

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Solution

The fourth proportional to 66,270.21, 91,454.46 and 37,591.80 is: 51,877.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,270.21 : 91,454.46 = 37,591.80 : x
  2. Step 2: Convert to fraction form
    66,270.21/91,454.46 = 37,591.80/x
  3. Step 3: Cross multiply
    66,270.21x = 91,454.46 × 37,591.80
  4. Step 4: Simplify right side
    66,270.21x = 3,437,938,162.88
  5. Step 5: Solve for x
    x = 3,437,938,162.88/66,270.21
  6. Step 6: Final answer
    x = 51,877.58

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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.