Home / 54,123.72-74,690.48-30,250.36

Finding the Fourth Proportional to 54,123.72, 74,690.48 and 30,250.36

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Solution

The fourth proportional to 54,123.72, 74,690.48 and 30,250.36 is: 41,745.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,123.72 : 74,690.48 = 30,250.36 : x
  2. Step 2: Convert to fraction form
    54,123.72/74,690.48 = 30,250.36/x
  3. Step 3: Cross multiply
    54,123.72x = 74,690.48 × 30,250.36
  4. Step 4: Simplify right side
    54,123.72x = 2,259,413,908.57
  5. Step 5: Solve for x
    x = 2,259,413,908.57/54,123.72
  6. Step 6: Final answer
    x = 41,745.36

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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.