Home / 39,927.50-55,100.20-22,022.98

Finding the Fourth Proportional to 39,927.50, 55,100.20 and 22,022.98

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Solution

The fourth proportional to 39,927.50, 55,100.20 and 22,022.98 is: 30,391.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,927.50 : 55,100.20 = 22,022.98 : x
  2. Step 2: Convert to fraction form
    39,927.50/55,100.20 = 22,022.98/x
  3. Step 3: Cross multiply
    39,927.50x = 55,100.20 × 22,022.98
  4. Step 4: Simplify right side
    39,927.50x = 1,213,470,602.60
  5. Step 5: Solve for x
    x = 1,213,470,602.60/39,927.50
  6. Step 6: Final answer
    x = 30,391.85

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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.