Home / 65,663.23-98,480.44-18,905.95

Finding the Fourth Proportional to 65,663.23, 98,480.44 and 18,905.95

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Solution

The fourth proportional to 65,663.23, 98,480.44 and 18,905.95 is: 28,354.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,663.23 : 98,480.44 = 18,905.95 : x
  2. Step 2: Convert to fraction form
    65,663.23/98,480.44 = 18,905.95/x
  3. Step 3: Cross multiply
    65,663.23x = 98,480.44 × 18,905.95
  4. Step 4: Simplify right side
    65,663.23x = 1,861,866,274.62
  5. Step 5: Solve for x
    x = 1,861,866,274.62/65,663.23
  6. Step 6: Final answer
    x = 28,354.78

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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.