Home / 30,563.55-42,177.11-16,951.50

Finding the Fourth Proportional to 30,563.55, 42,177.11 and 16,951.50

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Solution

The fourth proportional to 30,563.55, 42,177.11 and 16,951.50 is: 23,392.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,563.55 : 42,177.11 = 16,951.50 : x
  2. Step 2: Convert to fraction form
    30,563.55/42,177.11 = 16,951.50/x
  3. Step 3: Cross multiply
    30,563.55x = 42,177.11 × 16,951.50
  4. Step 4: Simplify right side
    30,563.55x = 714,965,195.41
  5. Step 5: Solve for x
    x = 714,965,195.41/30,563.55
  6. Step 6: Final answer
    x = 23,392.74

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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.