Home / 38,988.35-58,481.99-9,405.94

Finding the Fourth Proportional to 38,988.35, 58,481.99 and 9,405.94

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Solution

The fourth proportional to 38,988.35, 58,481.99 and 9,405.94 is: 14,108.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,988.35 : 58,481.99 = 9,405.94 : x
  2. Step 2: Convert to fraction form
    38,988.35/58,481.99 = 9,405.94/x
  3. Step 3: Cross multiply
    38,988.35x = 58,481.99 × 9,405.94
  4. Step 4: Simplify right side
    38,988.35x = 550,077,749.58
  5. Step 5: Solve for x
    x = 550,077,749.58/38,988.35
  6. Step 6: Final answer
    x = 14,108.77

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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.