Home / 55,906.32-77,154.48-30,757.44

Finding the Fourth Proportional to 55,906.32, 77,154.48 and 30,757.44

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Solution

The fourth proportional to 55,906.32, 77,154.48 and 30,757.44 is: 42,447.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,906.32 : 77,154.48 = 30,757.44 : x
  2. Step 2: Convert to fraction form
    55,906.32/77,154.48 = 30,757.44/x
  3. Step 3: Cross multiply
    55,906.32x = 77,154.48 × 30,757.44
  4. Step 4: Simplify right side
    55,906.32x = 2,373,074,289.33
  5. Step 5: Solve for x
    x = 2,373,074,289.33/55,906.32
  6. Step 6: Final answer
    x = 42,447.33

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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.