Home / 64,139.68-96,204.96-19,761.82

Finding the Fourth Proportional to 64,139.68, 96,204.96 and 19,761.82

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Solution

The fourth proportional to 64,139.68, 96,204.96 and 19,761.82 is: 29,641.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,139.68 : 96,204.96 = 19,761.82 : x
  2. Step 2: Convert to fraction form
    64,139.68/96,204.96 = 19,761.82/x
  3. Step 3: Cross multiply
    64,139.68x = 96,204.96 × 19,761.82
  4. Step 4: Simplify right side
    64,139.68x = 1,901,185,102.63
  5. Step 5: Solve for x
    x = 1,901,185,102.63/64,139.68
  6. Step 6: Final answer
    x = 29,641.33

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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.