Home / 39,314.12-54,235.33-23,170.42

Finding the Fourth Proportional to 39,314.12, 54,235.33 and 23,170.42

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Solution

The fourth proportional to 39,314.12, 54,235.33 and 23,170.42 is: 31,964.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,314.12 : 54,235.33 = 23,170.42 : x
  2. Step 2: Convert to fraction form
    39,314.12/54,235.33 = 23,170.42/x
  3. Step 3: Cross multiply
    39,314.12x = 54,235.33 × 23,170.42
  4. Step 4: Simplify right side
    39,314.12x = 1,256,655,374.94
  5. Step 5: Solve for x
    x = 1,256,655,374.94/39,314.12
  6. Step 6: Final answer
    x = 31,964.48

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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.