Home / 55,372.64-76,415.04-30,221.60

Finding the Fourth Proportional to 55,372.64, 76,415.04 and 30,221.60

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Solution

The fourth proportional to 55,372.64, 76,415.04 and 30,221.60 is: 41,706.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,372.64 : 76,415.04 = 30,221.60 : x
  2. Step 2: Convert to fraction form
    55,372.64/76,415.04 = 30,221.60/x
  3. Step 3: Cross multiply
    55,372.64x = 76,415.04 × 30,221.60
  4. Step 4: Simplify right side
    55,372.64x = 2,309,384,772.86
  5. Step 5: Solve for x
    x = 2,309,384,772.86/55,372.64
  6. Step 6: Final answer
    x = 41,706.24

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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.