Home / 40,055.46-55,276.20-22,149.96

Finding the Fourth Proportional to 40,055.46, 55,276.20 and 22,149.96

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Solution

The fourth proportional to 40,055.46, 55,276.20 and 22,149.96 is: 30,566.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,055.46 : 55,276.20 = 22,149.96 : x
  2. Step 2: Convert to fraction form
    40,055.46/55,276.20 = 22,149.96/x
  3. Step 3: Cross multiply
    40,055.46x = 55,276.20 × 22,149.96
  4. Step 4: Simplify right side
    40,055.46x = 1,224,365,618.95
  5. Step 5: Solve for x
    x = 1,224,365,618.95/40,055.46
  6. Step 6: Final answer
    x = 30,566.76

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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.