Home / 40,228.68-55,518.18-22,323.73

Finding the Fourth Proportional to 40,228.68, 55,518.18 and 22,323.73

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Solution

The fourth proportional to 40,228.68, 55,518.18 and 22,323.73 is: 30,808.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,228.68 : 55,518.18 = 22,323.73 : x
  2. Step 2: Convert to fraction form
    40,228.68/55,518.18 = 22,323.73/x
  3. Step 3: Cross multiply
    40,228.68x = 55,518.18 × 22,323.73
  4. Step 4: Simplify right side
    40,228.68x = 1,239,372,860.41
  5. Step 5: Solve for x
    x = 1,239,372,860.41/40,228.68
  6. Step 6: Final answer
    x = 30,808.19

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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.