Home / 39,459.97-59,189.96-15,778.18

Finding the Fourth Proportional to 39,459.97, 59,189.96 and 15,778.18

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Solution

The fourth proportional to 39,459.97, 59,189.96 and 15,778.18 is: 23,667.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,459.97 : 59,189.96 = 15,778.18 : x
  2. Step 2: Convert to fraction form
    39,459.97/59,189.96 = 15,778.18/x
  3. Step 3: Cross multiply
    39,459.97x = 59,189.96 × 15,778.18
  4. Step 4: Simplify right side
    39,459.97x = 933,909,817.80
  5. Step 5: Solve for x
    x = 933,909,817.80/39,459.97
  6. Step 6: Final answer
    x = 23,667.27

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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.