Home / 54,042.48-74,557.44-31,377.60

Finding the Fourth Proportional to 54,042.48, 74,557.44 and 31,377.60

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Solution

The fourth proportional to 54,042.48, 74,557.44 and 31,377.60 is: 43,288.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,042.48 : 74,557.44 = 31,377.60 : x
  2. Step 2: Convert to fraction form
    54,042.48/74,557.44 = 31,377.60/x
  3. Step 3: Cross multiply
    54,042.48x = 74,557.44 × 31,377.60
  4. Step 4: Simplify right side
    54,042.48x = 2,339,433,529.34
  5. Step 5: Solve for x
    x = 2,339,433,529.34/54,042.48
  6. Step 6: Final answer
    x = 43,288.79

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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.