Home / 39,808.45-54,908.44-32,722.57

Finding the Fourth Proportional to 39,808.45, 54,908.44 and 32,722.57

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Solution

The fourth proportional to 39,808.45, 54,908.44 and 32,722.57 is: 45,134.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,808.45 : 54,908.44 = 32,722.57 : x
  2. Step 2: Convert to fraction form
    39,808.45/54,908.44 = 32,722.57/x
  3. Step 3: Cross multiply
    39,808.45x = 54,908.44 × 32,722.57
  4. Step 4: Simplify right side
    39,808.45x = 1,796,745,271.49
  5. Step 5: Solve for x
    x = 1,796,745,271.49/39,808.45
  6. Step 6: Final answer
    x = 45,134.77

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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.