Home / 65,918.80-98,877.30-15,998.50

Finding the Fourth Proportional to 65,918.80, 98,877.30 and 15,998.50

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Solution

The fourth proportional to 65,918.80, 98,877.30 and 15,998.50 is: 23,997.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,918.80 : 98,877.30 = 15,998.50 : x
  2. Step 2: Convert to fraction form
    65,918.80/98,877.30 = 15,998.50/x
  3. Step 3: Cross multiply
    65,918.80x = 98,877.30 × 15,998.50
  4. Step 4: Simplify right side
    65,918.80x = 1,581,888,484.05
  5. Step 5: Solve for x
    x = 1,581,888,484.05/65,918.80
  6. Step 6: Final answer
    x = 23,997.53

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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.