Home / 61,646.47-85,067.28-37,769.90

Finding the Fourth Proportional to 61,646.47, 85,067.28 and 37,769.90

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Solution

The fourth proportional to 61,646.47, 85,067.28 and 37,769.90 is: 52,119.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,646.47 : 85,067.28 = 37,769.90 : x
  2. Step 2: Convert to fraction form
    61,646.47/85,067.28 = 37,769.90/x
  3. Step 3: Cross multiply
    61,646.47x = 85,067.28 × 37,769.90
  4. Step 4: Simplify right side
    61,646.47x = 3,212,982,233.54
  5. Step 5: Solve for x
    x = 3,212,982,233.54/61,646.47
  6. Step 6: Final answer
    x = 52,119.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.