Home / 30,292.80-41,803.35-16,863.75

Finding the Fourth Proportional to 30,292.80, 41,803.35 and 16,863.75

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Solution

The fourth proportional to 30,292.80, 41,803.35 and 16,863.75 is: 23,271.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,292.80 : 41,803.35 = 16,863.75 : x
  2. Step 2: Convert to fraction form
    30,292.80/41,803.35 = 16,863.75/x
  3. Step 3: Cross multiply
    30,292.80x = 41,803.35 × 16,863.75
  4. Step 4: Simplify right side
    30,292.80x = 704,961,243.56
  5. Step 5: Solve for x
    x = 704,961,243.56/30,292.80
  6. Step 6: Final answer
    x = 23,271.58

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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.