Home / 39,998.85-55,205.49-23,001.75

Finding the Fourth Proportional to 39,998.85, 55,205.49 and 23,001.75

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Solution

The fourth proportional to 39,998.85, 55,205.49 and 23,001.75 is: 31,746.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,998.85 : 55,205.49 = 23,001.75 : x
  2. Step 2: Convert to fraction form
    39,998.85/55,205.49 = 23,001.75/x
  3. Step 3: Cross multiply
    39,998.85x = 55,205.49 × 23,001.75
  4. Step 4: Simplify right side
    39,998.85x = 1,269,822,879.61
  5. Step 5: Solve for x
    x = 1,269,822,879.61/39,998.85
  6. Step 6: Final answer
    x = 31,746.48

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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.