Home / 53,939.51-74,436.89-30,067.68

Finding the Fourth Proportional to 53,939.51, 74,436.89 and 30,067.68

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Solution

The fourth proportional to 53,939.51, 74,436.89 and 30,067.68 is: 41,493.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,939.51 : 74,436.89 = 30,067.68 : x
  2. Step 2: Convert to fraction form
    53,939.51/74,436.89 = 30,067.68/x
  3. Step 3: Cross multiply
    53,939.51x = 74,436.89 × 30,067.68
  4. Step 4: Simplify right side
    53,939.51x = 2,238,144,438.38
  5. Step 5: Solve for x
    x = 2,238,144,438.38/53,939.51
  6. Step 6: Final answer
    x = 41,493.60

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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.