Home / 66,844.93-100,270.40-21,868.85

Finding the Fourth Proportional to 66,844.93, 100,270.40 and 21,868.85

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Solution

The fourth proportional to 66,844.93, 100,270.40 and 21,868.85 is: 32,804.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,844.93 : 100,270.40 = 21,868.85 : x
  2. Step 2: Convert to fraction form
    66,844.93/100,270.40 = 21,868.85/x
  3. Step 3: Cross multiply
    66,844.93x = 100,270.40 × 21,868.85
  4. Step 4: Simplify right side
    66,844.93x = 2,192,797,726.34
  5. Step 5: Solve for x
    x = 2,192,797,726.34/66,844.93
  6. Step 6: Final answer
    x = 32,804.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.