Home / 65,249.55-97,878.05-18,498.75

Finding the Fourth Proportional to 65,249.55, 97,878.05 and 18,498.75

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Solution

The fourth proportional to 65,249.55, 97,878.05 and 18,498.75 is: 27,749.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,249.55 : 97,878.05 = 18,498.75 : x
  2. Step 2: Convert to fraction form
    65,249.55/97,878.05 = 18,498.75/x
  3. Step 3: Cross multiply
    65,249.55x = 97,878.05 × 18,498.75
  4. Step 4: Simplify right side
    65,249.55x = 1,810,621,577.44
  5. Step 5: Solve for x
    x = 1,810,621,577.44/65,249.55
  6. Step 6: Final answer
    x = 27,749.18

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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.