Home / 43,126.76-64,697.52-19,755.20

Finding the Fourth Proportional to 43,126.76, 64,697.52 and 19,755.20

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Solution

The fourth proportional to 43,126.76, 64,697.52 and 19,755.20 is: 29,636.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,126.76 : 64,697.52 = 19,755.20 : x
  2. Step 2: Convert to fraction form
    43,126.76/64,697.52 = 19,755.20/x
  3. Step 3: Cross multiply
    43,126.76x = 64,697.52 × 19,755.20
  4. Step 4: Simplify right side
    43,126.76x = 1,278,112,447.10
  5. Step 5: Solve for x
    x = 1,278,112,447.10/43,126.76
  6. Step 6: Final answer
    x = 29,636.18

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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.