Home / 40,005.68-55,208.33-22,100.54

Finding the Fourth Proportional to 40,005.68, 55,208.33 and 22,100.54

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Solution

The fourth proportional to 40,005.68, 55,208.33 and 22,100.54 is: 30,499.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,005.68 : 55,208.33 = 22,100.54 : x
  2. Step 2: Convert to fraction form
    40,005.68/55,208.33 = 22,100.54/x
  3. Step 3: Cross multiply
    40,005.68x = 55,208.33 × 22,100.54
  4. Step 4: Simplify right side
    40,005.68x = 1,220,133,518.95
  5. Step 5: Solve for x
    x = 1,220,133,518.95/40,005.68
  6. Step 6: Final answer
    x = 30,499.01

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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.