Home / 55,143.83-76,085.21-32,481.05

Finding the Fourth Proportional to 55,143.83, 76,085.21 and 32,481.05

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Solution

The fourth proportional to 55,143.83, 76,085.21 and 32,481.05 is: 44,816.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,143.83 : 76,085.21 = 32,481.05 : x
  2. Step 2: Convert to fraction form
    55,143.83/76,085.21 = 32,481.05/x
  3. Step 3: Cross multiply
    55,143.83x = 76,085.21 × 32,481.05
  4. Step 4: Simplify right side
    55,143.83x = 2,471,327,211.05
  5. Step 5: Solve for x
    x = 2,471,327,211.05/55,143.83
  6. Step 6: Final answer
    x = 44,816.02

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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.