Home / 55,215.22-82,659.20-34,087.32

Finding the Fourth Proportional to 55,215.22, 82,659.20 and 34,087.32

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Solution

The fourth proportional to 55,215.22, 82,659.20 and 34,087.32 is: 51,029.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,215.22 : 82,659.20 = 34,087.32 : x
  2. Step 2: Convert to fraction form
    55,215.22/82,659.20 = 34,087.32/x
  3. Step 3: Cross multiply
    55,215.22x = 82,659.20 × 34,087.32
  4. Step 4: Simplify right side
    55,215.22x = 2,817,630,601.34
  5. Step 5: Solve for x
    x = 2,817,630,601.34/55,215.22
  6. Step 6: Final answer
    x = 51,029.97

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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.