Home / 47,778.80-71,640.50-16,178.31

Finding the Fourth Proportional to 47,778.80, 71,640.50 and 16,178.31

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Solution

The fourth proportional to 47,778.80, 71,640.50 and 16,178.31 is: 24,258.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,778.80 : 71,640.50 = 16,178.31 : x
  2. Step 2: Convert to fraction form
    47,778.80/71,640.50 = 16,178.31/x
  3. Step 3: Cross multiply
    47,778.80x = 71,640.50 × 16,178.31
  4. Step 4: Simplify right side
    47,778.80x = 1,159,022,258.00
  5. Step 5: Solve for x
    x = 1,159,022,258.00/47,778.80
  6. Step 6: Final answer
    x = 24,258.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.