Home / 65,750.52-98,640.36-18,999.84

Finding the Fourth Proportional to 65,750.52, 98,640.36 and 18,999.84

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Solution

The fourth proportional to 65,750.52, 98,640.36 and 18,999.84 is: 28,503.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,750.52 : 98,640.36 = 18,999.84 : x
  2. Step 2: Convert to fraction form
    65,750.52/98,640.36 = 18,999.84/x
  3. Step 3: Cross multiply
    65,750.52x = 98,640.36 × 18,999.84
  4. Step 4: Simplify right side
    65,750.52x = 1,874,151,057.54
  5. Step 5: Solve for x
    x = 1,874,151,057.54/65,750.52
  6. Step 6: Final answer
    x = 28,503.97

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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.