Home / 39,279.85-58,919.89-9,697.69

Finding the Fourth Proportional to 39,279.85, 58,919.89 and 9,697.69

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Solution

The fourth proportional to 39,279.85, 58,919.89 and 9,697.69 is: 14,546.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,279.85 : 58,919.89 = 9,697.69 : x
  2. Step 2: Convert to fraction form
    39,279.85/58,919.89 = 9,697.69/x
  3. Step 3: Cross multiply
    39,279.85x = 58,919.89 × 9,697.69
  4. Step 4: Simplify right side
    39,279.85x = 571,386,533.45
  5. Step 5: Solve for x
    x = 571,386,533.45/39,279.85
  6. Step 6: Final answer
    x = 14,546.56

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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.