Home / 39,116.85-58,678.72-11,037.15

Finding the Fourth Proportional to 39,116.85, 58,678.72 and 11,037.15

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Solution

The fourth proportional to 39,116.85, 58,678.72 and 11,037.15 is: 16,556.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,116.85 : 58,678.72 = 11,037.15 : x
  2. Step 2: Convert to fraction form
    39,116.85/58,678.72 = 11,037.15/x
  3. Step 3: Cross multiply
    39,116.85x = 58,678.72 × 11,037.15
  4. Step 4: Simplify right side
    39,116.85x = 647,645,834.45
  5. Step 5: Solve for x
    x = 647,645,834.45/39,116.85
  6. Step 6: Final answer
    x = 16,556.70

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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.