Home / 40,006.74-55,208.89-22,100.58

Finding the Fourth Proportional to 40,006.74, 55,208.89 and 22,100.58

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Solution

The fourth proportional to 40,006.74, 55,208.89 and 22,100.58 is: 30,498.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,006.74 : 55,208.89 = 22,100.58 : x
  2. Step 2: Convert to fraction form
    40,006.74/55,208.89 = 22,100.58/x
  3. Step 3: Cross multiply
    40,006.74x = 55,208.89 × 22,100.58
  4. Step 4: Simplify right side
    40,006.74x = 1,220,148,517.78
  5. Step 5: Solve for x
    x = 1,220,148,517.78/40,006.74
  6. Step 6: Final answer
    x = 30,498.57

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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.