Home / 40,298.70-55,610.04-22,392.64

Finding the Fourth Proportional to 40,298.70, 55,610.04 and 22,392.64

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Solution

The fourth proportional to 40,298.70, 55,610.04 and 22,392.64 is: 30,900.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,298.70 : 55,610.04 = 22,392.64 : x
  2. Step 2: Convert to fraction form
    40,298.70/55,610.04 = 22,392.64/x
  3. Step 3: Cross multiply
    40,298.70x = 55,610.04 × 22,392.64
  4. Step 4: Simplify right side
    40,298.70x = 1,245,255,446.78
  5. Step 5: Solve for x
    x = 1,245,255,446.78/40,298.70
  6. Step 6: Final answer
    x = 30,900.64

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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.