Home / 30,378.20-41,922.02-16,950.02

Finding the Fourth Proportional to 30,378.20, 41,922.02 and 16,950.02

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Solution

The fourth proportional to 30,378.20, 41,922.02 and 16,950.02 is: 23,391.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,378.20 : 41,922.02 = 16,950.02 : x
  2. Step 2: Convert to fraction form
    30,378.20/41,922.02 = 16,950.02/x
  3. Step 3: Cross multiply
    30,378.20x = 41,922.02 × 16,950.02
  4. Step 4: Simplify right side
    30,378.20x = 710,578,910.21
  5. Step 5: Solve for x
    x = 710,578,910.21/30,378.20
  6. Step 6: Final answer
    x = 23,391.08

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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.