Home / 55,445.25-76,514.45-30,294.75

Finding the Fourth Proportional to 55,445.25, 76,514.45 and 30,294.75

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Solution

The fourth proportional to 55,445.25, 76,514.45 and 30,294.75 is: 41,806.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,445.25 : 76,514.45 = 30,294.75 : x
  2. Step 2: Convert to fraction form
    55,445.25/76,514.45 = 30,294.75/x
  3. Step 3: Cross multiply
    55,445.25x = 76,514.45 × 30,294.75
  4. Step 4: Simplify right side
    55,445.25x = 2,317,985,982.66
  5. Step 5: Solve for x
    x = 2,317,985,982.66/55,445.25
  6. Step 6: Final answer
    x = 41,806.76

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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.