Home / 65,522.52-98,298.36-18,771.75

Finding the Fourth Proportional to 65,522.52, 98,298.36 and 18,771.75

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Solution

The fourth proportional to 65,522.52, 98,298.36 and 18,771.75 is: 28,161.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,522.52 : 98,298.36 = 18,771.75 : x
  2. Step 2: Convert to fraction form
    65,522.52/98,298.36 = 18,771.75/x
  3. Step 3: Cross multiply
    65,522.52x = 98,298.36 × 18,771.75
  4. Step 4: Simplify right side
    65,522.52x = 1,845,232,239.33
  5. Step 5: Solve for x
    x = 1,845,232,239.33/65,522.52
  6. Step 6: Final answer
    x = 28,161.80

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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.