Home / 29,168.68-43,687.35-20,442.55

Finding the Fourth Proportional to 29,168.68, 43,687.35 and 20,442.55

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Solution

The fourth proportional to 29,168.68, 43,687.35 and 20,442.55 is: 30,617.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,168.68 : 43,687.35 = 20,442.55 : x
  2. Step 2: Convert to fraction form
    29,168.68/43,687.35 = 20,442.55/x
  3. Step 3: Cross multiply
    29,168.68x = 43,687.35 × 20,442.55
  4. Step 4: Simplify right side
    29,168.68x = 893,080,836.74
  5. Step 5: Solve for x
    x = 893,080,836.74/29,168.68
  6. Step 6: Final answer
    x = 30,617.80

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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.