Home / 45,090.48-62,217.72-29,175.60

Finding the Fourth Proportional to 45,090.48, 62,217.72 and 29,175.60

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Solution

The fourth proportional to 45,090.48, 62,217.72 and 29,175.60 is: 40,257.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,090.48 : 62,217.72 = 29,175.60 : x
  2. Step 2: Convert to fraction form
    45,090.48/62,217.72 = 29,175.60/x
  3. Step 3: Cross multiply
    45,090.48x = 62,217.72 × 29,175.60
  4. Step 4: Simplify right side
    45,090.48x = 1,815,239,311.63
  5. Step 5: Solve for x
    x = 1,815,239,311.63/45,090.48
  6. Step 6: Final answer
    x = 40,257.71

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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.