Home / 39,148.52-58,722.78-11,446.52

Finding the Fourth Proportional to 39,148.52, 58,722.78 and 11,446.52

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Solution

The fourth proportional to 39,148.52, 58,722.78 and 11,446.52 is: 17,169.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,148.52 : 58,722.78 = 11,446.52 : x
  2. Step 2: Convert to fraction form
    39,148.52/58,722.78 = 11,446.52/x
  3. Step 3: Cross multiply
    39,148.52x = 58,722.78 × 11,446.52
  4. Step 4: Simplify right side
    39,148.52x = 672,171,475.73
  5. Step 5: Solve for x
    x = 672,171,475.73/39,148.52
  6. Step 6: Final answer
    x = 17,169.78

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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.