Home / 30,208.24-41,686.02-16,780.42

Finding the Fourth Proportional to 30,208.24, 41,686.02 and 16,780.42

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Solution

The fourth proportional to 30,208.24, 41,686.02 and 16,780.42 is: 23,156.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,208.24 : 41,686.02 = 16,780.42 : x
  2. Step 2: Convert to fraction form
    30,208.24/41,686.02 = 16,780.42/x
  3. Step 3: Cross multiply
    30,208.24x = 41,686.02 × 16,780.42
  4. Step 4: Simplify right side
    30,208.24x = 699,508,923.73
  5. Step 5: Solve for x
    x = 699,508,923.73/30,208.24
  6. Step 6: Final answer
    x = 23,156.23

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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.