Home / 39,911.74-55,078.31-22,006.35

Finding the Fourth Proportional to 39,911.74, 55,078.31 and 22,006.35

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Solution

The fourth proportional to 39,911.74, 55,078.31 and 22,006.35 is: 30,368.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,911.74 : 55,078.31 = 22,006.35 : x
  2. Step 2: Convert to fraction form
    39,911.74/55,078.31 = 22,006.35/x
  3. Step 3: Cross multiply
    39,911.74x = 55,078.31 × 22,006.35
  4. Step 4: Simplify right side
    39,911.74x = 1,212,072,622.28
  5. Step 5: Solve for x
    x = 1,212,072,622.28/39,911.74
  6. Step 6: Final answer
    x = 30,368.83

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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.