Home / 52,131.56-78,197.36-18,850.89

Finding the Fourth Proportional to 52,131.56, 78,197.36 and 18,850.89

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Solution

The fourth proportional to 52,131.56, 78,197.36 and 18,850.89 is: 28,276.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,131.56 : 78,197.36 = 18,850.89 : x
  2. Step 2: Convert to fraction form
    52,131.56/78,197.36 = 18,850.89/x
  3. Step 3: Cross multiply
    52,131.56x = 78,197.36 × 18,850.89
  4. Step 4: Simplify right side
    52,131.56x = 1,474,089,878.78
  5. Step 5: Solve for x
    x = 1,474,089,878.78/52,131.56
  6. Step 6: Final answer
    x = 28,276.34

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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.