Home / 57,636.95-86,494.25-20,197.32

Finding the Fourth Proportional to 57,636.95, 86,494.25 and 20,197.32

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Solution

The fourth proportional to 57,636.95, 86,494.25 and 20,197.32 is: 30,309.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,636.95 : 86,494.25 = 20,197.32 : x
  2. Step 2: Convert to fraction form
    57,636.95/86,494.25 = 20,197.32/x
  3. Step 3: Cross multiply
    57,636.95x = 86,494.25 × 20,197.32
  4. Step 4: Simplify right side
    57,636.95x = 1,746,951,944.42
  5. Step 5: Solve for x
    x = 1,746,951,944.42/57,636.95
  6. Step 6: Final answer
    x = 30,309.59

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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.