Home / 65,755.22-98,633.55-19,008.50

Finding the Fourth Proportional to 65,755.22, 98,633.55 and 19,008.50

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Solution

The fourth proportional to 65,755.22, 98,633.55 and 19,008.50 is: 28,512.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,755.22 : 98,633.55 = 19,008.50 : x
  2. Step 2: Convert to fraction form
    65,755.22/98,633.55 = 19,008.50/x
  3. Step 3: Cross multiply
    65,755.22x = 98,633.55 × 19,008.50
  4. Step 4: Simplify right side
    65,755.22x = 1,874,875,835.18
  5. Step 5: Solve for x
    x = 1,874,875,835.18/65,755.22
  6. Step 6: Final answer
    x = 28,512.96

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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.