Home / 54,235.90-74,843.35-31,575.54

Finding the Fourth Proportional to 54,235.90, 74,843.35 and 31,575.54

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Solution

The fourth proportional to 54,235.90, 74,843.35 and 31,575.54 is: 43,572.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,235.90 : 74,843.35 = 31,575.54 : x
  2. Step 2: Convert to fraction form
    54,235.90/74,843.35 = 31,575.54/x
  3. Step 3: Cross multiply
    54,235.90x = 74,843.35 × 31,575.54
  4. Step 4: Simplify right side
    54,235.90x = 2,363,219,191.66
  5. Step 5: Solve for x
    x = 2,363,219,191.66/54,235.90
  6. Step 6: Final answer
    x = 43,572.97

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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.