Home / 39,927.76-55,099.94-22,022.89

Finding the Fourth Proportional to 39,927.76, 55,099.94 and 22,022.89

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Solution

The fourth proportional to 39,927.76, 55,099.94 and 22,022.89 is: 30,391.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,927.76 : 55,099.94 = 22,022.89 : x
  2. Step 2: Convert to fraction form
    39,927.76/55,099.94 = 22,022.89/x
  3. Step 3: Cross multiply
    39,927.76x = 55,099.94 × 22,022.89
  4. Step 4: Simplify right side
    39,927.76x = 1,213,459,917.63
  5. Step 5: Solve for x
    x = 1,213,459,917.63/39,927.76
  6. Step 6: Final answer
    x = 30,391.38

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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.