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Finding the Fourth Proportional to 65,250.55, 97,879.55 and 18,499.75

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Solution

The fourth proportional to 65,250.55, 97,879.55 and 18,499.75 is: 27,750.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,250.55 : 97,879.55 = 18,499.75 : x
  2. Step 2: Convert to fraction form
    65,250.55/97,879.55 = 18,499.75/x
  3. Step 3: Cross multiply
    65,250.55x = 97,879.55 × 18,499.75
  4. Step 4: Simplify right side
    65,250.55x = 1,810,747,205.11
  5. Step 5: Solve for x
    x = 1,810,747,205.11/65,250.55
  6. Step 6: Final answer
    x = 27,750.68

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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.