Home / 38,373.12-57,453.39-19,612.75

Finding the Fourth Proportional to 38,373.12, 57,453.39 and 19,612.75

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Solution

The fourth proportional to 38,373.12, 57,453.39 and 19,612.75 is: 29,364.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,373.12 : 57,453.39 = 19,612.75 : x
  2. Step 2: Convert to fraction form
    38,373.12/57,453.39 = 19,612.75/x
  3. Step 3: Cross multiply
    38,373.12x = 57,453.39 × 19,612.75
  4. Step 4: Simplify right side
    38,373.12x = 1,126,819,118.36
  5. Step 5: Solve for x
    x = 1,126,819,118.36/38,373.12
  6. Step 6: Final answer
    x = 29,364.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.