Home / 40,060.80-55,281.66-21,907.94

Finding the Fourth Proportional to 40,060.80, 55,281.66 and 21,907.94

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Solution

The fourth proportional to 40,060.80, 55,281.66 and 21,907.94 is: 30,231.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,060.80 : 55,281.66 = 21,907.94 : x
  2. Step 2: Convert to fraction form
    40,060.80/55,281.66 = 21,907.94/x
  3. Step 3: Cross multiply
    40,060.80x = 55,281.66 × 21,907.94
  4. Step 4: Simplify right side
    40,060.80x = 1,211,107,366.01
  5. Step 5: Solve for x
    x = 1,211,107,366.01/40,060.80
  6. Step 6: Final answer
    x = 30,231.73

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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.