Home / 53,355.52-80,032.96-21,778.56

Finding the Fourth Proportional to 53,355.52, 80,032.96 and 21,778.56

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Solution

The fourth proportional to 53,355.52, 80,032.96 and 21,778.56 is: 32,667.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,355.52 : 80,032.96 = 21,778.56 : x
  2. Step 2: Convert to fraction form
    53,355.52/80,032.96 = 21,778.56/x
  3. Step 3: Cross multiply
    53,355.52x = 80,032.96 × 21,778.56
  4. Step 4: Simplify right side
    53,355.52x = 1,743,002,621.34
  5. Step 5: Solve for x
    x = 1,743,002,621.34/53,355.52
  6. Step 6: Final answer
    x = 32,667.71

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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.