Home / 30,356.20-41,890.02-16,928.92

Finding the Fourth Proportional to 30,356.20, 41,890.02 and 16,928.92

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Solution

The fourth proportional to 30,356.20, 41,890.02 and 16,928.92 is: 23,361.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,356.20 : 41,890.02 = 16,928.92 : x
  2. Step 2: Convert to fraction form
    30,356.20/41,890.02 = 16,928.92/x
  3. Step 3: Cross multiply
    30,356.20x = 41,890.02 × 16,928.92
  4. Step 4: Simplify right side
    30,356.20x = 709,152,797.38
  5. Step 5: Solve for x
    x = 709,152,797.38/30,356.20
  6. Step 6: Final answer
    x = 23,361.05

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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.