Home / 40,150.32-55,405.58-22,000.94

Finding the Fourth Proportional to 40,150.32, 55,405.58 and 22,000.94

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Solution

The fourth proportional to 40,150.32, 55,405.58 and 22,000.94 is: 30,360.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,150.32 : 55,405.58 = 22,000.94 : x
  2. Step 2: Convert to fraction form
    40,150.32/55,405.58 = 22,000.94/x
  3. Step 3: Cross multiply
    40,150.32x = 55,405.58 × 22,000.94
  4. Step 4: Simplify right side
    40,150.32x = 1,218,974,454.21
  5. Step 5: Solve for x
    x = 1,218,974,454.21/40,150.32
  6. Step 6: Final answer
    x = 30,360.27

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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.