Home / 39,112.72-58,668.46-9,530.51

Finding the Fourth Proportional to 39,112.72, 58,668.46 and 9,530.51

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Solution

The fourth proportional to 39,112.72, 58,668.46 and 9,530.51 is: 14,295.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,112.72 : 58,668.46 = 9,530.51 : x
  2. Step 2: Convert to fraction form
    39,112.72/58,668.46 = 9,530.51/x
  3. Step 3: Cross multiply
    39,112.72x = 58,668.46 × 9,530.51
  4. Step 4: Simplify right side
    39,112.72x = 559,140,027.55
  5. Step 5: Solve for x
    x = 559,140,027.55/39,112.72
  6. Step 6: Final answer
    x = 14,295.61

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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.