Home / 65,843.49-98,775.50-21,459.95

Finding the Fourth Proportional to 65,843.49, 98,775.50 and 21,459.95

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Solution

The fourth proportional to 65,843.49, 98,775.50 and 21,459.95 is: 32,193.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,843.49 : 98,775.50 = 21,459.95 : x
  2. Step 2: Convert to fraction form
    65,843.49/98,775.50 = 21,459.95/x
  3. Step 3: Cross multiply
    65,843.49x = 98,775.50 × 21,459.95
  4. Step 4: Simplify right side
    65,843.49x = 2,119,716,690.05
  5. Step 5: Solve for x
    x = 2,119,716,690.05/65,843.49
  6. Step 6: Final answer
    x = 32,193.26

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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.