Home / 55,134.32-82,627.22-30,136.82

Finding the Fourth Proportional to 55,134.32, 82,627.22 and 30,136.82

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Solution

The fourth proportional to 55,134.32, 82,627.22 and 30,136.82 is: 45,164.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,134.32 : 82,627.22 = 30,136.82 : x
  2. Step 2: Convert to fraction form
    55,134.32/82,627.22 = 30,136.82/x
  3. Step 3: Cross multiply
    55,134.32x = 82,627.22 × 30,136.82
  4. Step 4: Simplify right side
    55,134.32x = 2,490,121,656.24
  5. Step 5: Solve for x
    x = 2,490,121,656.24/55,134.32
  6. Step 6: Final answer
    x = 45,164.64

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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.