Home / 64,177.30-96,278.79-19,802.39

Finding the Fourth Proportional to 64,177.30, 96,278.79 and 19,802.39

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Solution

The fourth proportional to 64,177.30, 96,278.79 and 19,802.39 is: 29,707.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,177.30 : 96,278.79 = 19,802.39 : x
  2. Step 2: Convert to fraction form
    64,177.30/96,278.79 = 19,802.39/x
  3. Step 3: Cross multiply
    64,177.30x = 96,278.79 × 19,802.39
  4. Step 4: Simplify right side
    64,177.30x = 1,906,550,282.74
  5. Step 5: Solve for x
    x = 1,906,550,282.74/64,177.30
  6. Step 6: Final answer
    x = 29,707.55

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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.