Home / 39,930.50-55,104.35-22,025.99

Finding the Fourth Proportional to 39,930.50, 55,104.35 and 22,025.99

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Solution

The fourth proportional to 39,930.50, 55,104.35 and 22,025.99 is: 30,396.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,930.50 : 55,104.35 = 22,025.99 : x
  2. Step 2: Convert to fraction form
    39,930.50/55,104.35 = 22,025.99/x
  3. Step 3: Cross multiply
    39,930.50x = 55,104.35 × 22,025.99
  4. Step 4: Simplify right side
    39,930.50x = 1,213,727,476.40
  5. Step 5: Solve for x
    x = 1,213,727,476.40/39,930.50
  6. Step 6: Final answer
    x = 30,396.00

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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.