Home / 40,025.01-55,235.31-22,120.77

Finding the Fourth Proportional to 40,025.01, 55,235.31 and 22,120.77

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Solution

The fourth proportional to 40,025.01, 55,235.31 and 22,120.77 is: 30,527.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,025.01 : 55,235.31 = 22,120.77 : x
  2. Step 2: Convert to fraction form
    40,025.01/55,235.31 = 22,120.77/x
  3. Step 3: Cross multiply
    40,025.01x = 55,235.31 × 22,120.77
  4. Step 4: Simplify right side
    40,025.01x = 1,221,847,588.39
  5. Step 5: Solve for x
    x = 1,221,847,588.39/40,025.01
  6. Step 6: Final answer
    x = 30,527.10

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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.