Home / 55,148.25-82,590.75-31,725.48

Finding the Fourth Proportional to 55,148.25, 82,590.75 and 31,725.48

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Solution

The fourth proportional to 55,148.25, 82,590.75 and 31,725.48 is: 47,512.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,148.25 : 82,590.75 = 31,725.48 : x
  2. Step 2: Convert to fraction form
    55,148.25/82,590.75 = 31,725.48/x
  3. Step 3: Cross multiply
    55,148.25x = 82,590.75 × 31,725.48
  4. Step 4: Simplify right side
    55,148.25x = 2,620,231,187.31
  5. Step 5: Solve for x
    x = 2,620,231,187.31/55,148.25
  6. Step 6: Final answer
    x = 47,512.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.