Home / 43,127.26-64,698.27-19,755.70

Finding the Fourth Proportional to 43,127.26, 64,698.27 and 19,755.70

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Solution

The fourth proportional to 43,127.26, 64,698.27 and 19,755.70 is: 29,636.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,127.26 : 64,698.27 = 19,755.70 : x
  2. Step 2: Convert to fraction form
    43,127.26/64,698.27 = 19,755.70/x
  3. Step 3: Cross multiply
    43,127.26x = 64,698.27 × 19,755.70
  4. Step 4: Simplify right side
    43,127.26x = 1,278,159,612.64
  5. Step 5: Solve for x
    x = 1,278,159,612.64/43,127.26
  6. Step 6: Final answer
    x = 29,636.93

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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.