Home / 39,403.68-59,115.36-11,701.68

Finding the Fourth Proportional to 39,403.68, 59,115.36 and 11,701.68

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Solution

The fourth proportional to 39,403.68, 59,115.36 and 11,701.68 is: 17,555.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,403.68 : 59,115.36 = 11,701.68 : x
  2. Step 2: Convert to fraction form
    39,403.68/59,115.36 = 11,701.68/x
  3. Step 3: Cross multiply
    39,403.68x = 59,115.36 × 11,701.68
  4. Step 4: Simplify right side
    39,403.68x = 691,749,025.80
  5. Step 5: Solve for x
    x = 691,749,025.80/39,403.68
  6. Step 6: Final answer
    x = 17,555.44

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Double scale
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Similar ratio
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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.