Home / 39,989.15-55,184.83-22,084.07

Finding the Fourth Proportional to 39,989.15, 55,184.83 and 22,084.07

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Solution

The fourth proportional to 39,989.15, 55,184.83 and 22,084.07 is: 30,475.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,989.15 : 55,184.83 = 22,084.07 : x
  2. Step 2: Convert to fraction form
    39,989.15/55,184.83 = 22,084.07/x
  3. Step 3: Cross multiply
    39,989.15x = 55,184.83 × 22,084.07
  4. Step 4: Simplify right side
    39,989.15x = 1,218,705,648.66
  5. Step 5: Solve for x
    x = 1,218,705,648.66/39,989.15
  6. Step 6: Final answer
    x = 30,475.91

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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.