Home / 66,437.52-91,683.09-36,222.75

Finding the Fourth Proportional to 66,437.52, 91,683.09 and 36,222.75

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Solution

The fourth proportional to 66,437.52, 91,683.09 and 36,222.75 is: 49,987.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,437.52 : 91,683.09 = 36,222.75 : x
  2. Step 2: Convert to fraction form
    66,437.52/91,683.09 = 36,222.75/x
  3. Step 3: Cross multiply
    66,437.52x = 91,683.09 × 36,222.75
  4. Step 4: Simplify right side
    66,437.52x = 3,321,013,648.30
  5. Step 5: Solve for x
    x = 3,321,013,648.30/66,437.52
  6. Step 6: Final answer
    x = 49,987.02

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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.