Home / 39,913.05-55,077.19-22,007.68

Finding the Fourth Proportional to 39,913.05, 55,077.19 and 22,007.68

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Solution

The fourth proportional to 39,913.05, 55,077.19 and 22,007.68 is: 30,369.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,913.05 : 55,077.19 = 22,007.68 : x
  2. Step 2: Convert to fraction form
    39,913.05/55,077.19 = 22,007.68/x
  3. Step 3: Cross multiply
    39,913.05x = 55,077.19 × 22,007.68
  4. Step 4: Simplify right side
    39,913.05x = 1,212,120,897.43
  5. Step 5: Solve for x
    x = 1,212,120,897.43/39,913.05
  6. Step 6: Final answer
    x = 30,369.04

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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.