Home / 39,913.15-55,077.33-22,007.77

Finding the Fourth Proportional to 39,913.15, 55,077.33 and 22,007.77

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Solution

The fourth proportional to 39,913.15, 55,077.33 and 22,007.77 is: 30,369.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,913.15 : 55,077.33 = 22,007.77 : x
  2. Step 2: Convert to fraction form
    39,913.15/55,077.33 = 22,007.77/x
  3. Step 3: Cross multiply
    39,913.15x = 55,077.33 × 22,007.77
  4. Step 4: Simplify right side
    39,913.15x = 1,212,129,213.84
  5. Step 5: Solve for x
    x = 1,212,129,213.84/39,913.15
  6. Step 6: Final answer
    x = 30,369.17

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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.