Home / 40,015.08-55,220.94-22,110.04

Finding the Fourth Proportional to 40,015.08, 55,220.94 and 22,110.04

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Solution

The fourth proportional to 40,015.08, 55,220.94 and 22,110.04 is: 30,511.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,015.08 : 55,220.94 = 22,110.04 : x
  2. Step 2: Convert to fraction form
    40,015.08/55,220.94 = 22,110.04/x
  3. Step 3: Cross multiply
    40,015.08x = 55,220.94 × 22,110.04
  4. Step 4: Simplify right side
    40,015.08x = 1,220,937,192.24
  5. Step 5: Solve for x
    x = 1,220,937,192.24/40,015.08
  6. Step 6: Final answer
    x = 30,511.93

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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.