Home / 39,243.09-58,876.78-13,599.60

Finding the Fourth Proportional to 39,243.09, 58,876.78 and 13,599.60

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Solution

The fourth proportional to 39,243.09, 58,876.78 and 13,599.60 is: 20,403.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,243.09 : 58,876.78 = 13,599.60 : x
  2. Step 2: Convert to fraction form
    39,243.09/58,876.78 = 13,599.60/x
  3. Step 3: Cross multiply
    39,243.09x = 58,876.78 × 13,599.60
  4. Step 4: Simplify right side
    39,243.09x = 800,700,657.29
  5. Step 5: Solve for x
    x = 800,700,657.29/39,243.09
  6. Step 6: Final answer
    x = 20,403.61

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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.