Home / 39,687.08-54,764.18-23,771.12

Finding the Fourth Proportional to 39,687.08, 54,764.18 and 23,771.12

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Solution

The fourth proportional to 39,687.08, 54,764.18 and 23,771.12 is: 32,801.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,687.08 : 54,764.18 = 23,771.12 : x
  2. Step 2: Convert to fraction form
    39,687.08/54,764.18 = 23,771.12/x
  3. Step 3: Cross multiply
    39,687.08x = 54,764.18 × 23,771.12
  4. Step 4: Simplify right side
    39,687.08x = 1,301,805,894.48
  5. Step 5: Solve for x
    x = 1,301,805,894.48/39,687.08
  6. Step 6: Final answer
    x = 32,801.76

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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.