Home / 39,067.56-53,878.50-30,669.48

Finding the Fourth Proportional to 39,067.56, 53,878.50 and 30,669.48

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Solution

The fourth proportional to 39,067.56, 53,878.50 and 30,669.48 is: 42,296.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,067.56 : 53,878.50 = 30,669.48 : x
  2. Step 2: Convert to fraction form
    39,067.56/53,878.50 = 30,669.48/x
  3. Step 3: Cross multiply
    39,067.56x = 53,878.50 × 30,669.48
  4. Step 4: Simplify right side
    39,067.56x = 1,652,425,578.18
  5. Step 5: Solve for x
    x = 1,652,425,578.18/39,067.56
  6. Step 6: Final answer
    x = 42,296.62

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1.5x scale

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.