Home / 55,508.48-76,600.80-30,357.44

Finding the Fourth Proportional to 55,508.48, 76,600.80 and 30,357.44

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Solution

The fourth proportional to 55,508.48, 76,600.80 and 30,357.44 is: 41,892.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,508.48 : 76,600.80 = 30,357.44 : x
  2. Step 2: Convert to fraction form
    55,508.48/76,600.80 = 30,357.44/x
  3. Step 3: Cross multiply
    55,508.48x = 76,600.80 × 30,357.44
  4. Step 4: Simplify right side
    55,508.48x = 2,325,404,189.95
  5. Step 5: Solve for x
    x = 2,325,404,189.95/55,508.48
  6. Step 6: Final answer
    x = 41,892.77

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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.