Home / 39,311.05-54,235.01-22,305.45

Finding the Fourth Proportional to 39,311.05, 54,235.01 and 22,305.45

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Solution

The fourth proportional to 39,311.05, 54,235.01 and 22,305.45 is: 30,773.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,311.05 : 54,235.01 = 22,305.45 : x
  2. Step 2: Convert to fraction form
    39,311.05/54,235.01 = 22,305.45/x
  3. Step 3: Cross multiply
    39,311.05x = 54,235.01 × 22,305.45
  4. Step 4: Simplify right side
    39,311.05x = 1,209,736,056.69
  5. Step 5: Solve for x
    x = 1,209,736,056.69/39,311.05
  6. Step 6: Final answer
    x = 30,773.43

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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.