Home / 30,195.74-41,669.33-16,766.65

Finding the Fourth Proportional to 30,195.74, 41,669.33 and 16,766.65

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Solution

The fourth proportional to 30,195.74, 41,669.33 and 16,766.65 is: 23,137.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,195.74 : 41,669.33 = 16,766.65 : x
  2. Step 2: Convert to fraction form
    30,195.74/41,669.33 = 16,766.65/x
  3. Step 3: Cross multiply
    30,195.74x = 41,669.33 × 16,766.65
  4. Step 4: Simplify right side
    30,195.74x = 698,655,040.10
  5. Step 5: Solve for x
    x = 698,655,040.10/30,195.74
  6. Step 6: Final answer
    x = 23,137.53

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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.