Home / 55,355.20-76,311.04-34,120.32

Finding the Fourth Proportional to 55,355.20, 76,311.04 and 34,120.32

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Solution

The fourth proportional to 55,355.20, 76,311.04 and 34,120.32 is: 47,037.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,355.20 : 76,311.04 = 34,120.32 : x
  2. Step 2: Convert to fraction form
    55,355.20/76,311.04 = 34,120.32/x
  3. Step 3: Cross multiply
    55,355.20x = 76,311.04 × 34,120.32
  4. Step 4: Simplify right side
    55,355.20x = 2,603,757,104.33
  5. Step 5: Solve for x
    x = 2,603,757,104.33/55,355.20
  6. Step 6: Final answer
    x = 47,037.26

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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.