Home / 38,881.49-58,332.42-12,226.39

Finding the Fourth Proportional to 38,881.49, 58,332.42 and 12,226.39

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Solution

The fourth proportional to 38,881.49, 58,332.42 and 12,226.39 is: 18,342.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,881.49 : 58,332.42 = 12,226.39 : x
  2. Step 2: Convert to fraction form
    38,881.49/58,332.42 = 12,226.39/x
  3. Step 3: Cross multiply
    38,881.49x = 58,332.42 × 12,226.39
  4. Step 4: Simplify right side
    38,881.49x = 713,194,770.73
  5. Step 5: Solve for x
    x = 713,194,770.73/38,881.49
  6. Step 6: Final answer
    x = 18,342.79

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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.