Home / 39,906.29-55,070.67-22,911.64

Finding the Fourth Proportional to 39,906.29, 55,070.67 and 22,911.64

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Solution

The fourth proportional to 39,906.29, 55,070.67 and 22,911.64 is: 31,618.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,906.29 : 55,070.67 = 22,911.64 : x
  2. Step 2: Convert to fraction form
    39,906.29/55,070.67 = 22,911.64/x
  3. Step 3: Cross multiply
    39,906.29x = 55,070.67 × 22,911.64
  4. Step 4: Simplify right side
    39,906.29x = 1,261,759,365.60
  5. Step 5: Solve for x
    x = 1,261,759,365.60/39,906.29
  6. Step 6: Final answer
    x = 31,618.06

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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.