Home / 37,815.12-52,181.64-21,049.68

Finding the Fourth Proportional to 37,815.12, 52,181.64 and 21,049.68

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Solution

The fourth proportional to 37,815.12, 52,181.64 and 21,049.68 is: 29,046.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,815.12 : 52,181.64 = 21,049.68 : x
  2. Step 2: Convert to fraction form
    37,815.12/52,181.64 = 21,049.68/x
  3. Step 3: Cross multiply
    37,815.12x = 52,181.64 × 21,049.68
  4. Step 4: Simplify right side
    37,815.12x = 1,098,406,823.88
  5. Step 5: Solve for x
    x = 1,098,406,823.88/37,815.12
  6. Step 6: Final answer
    x = 29,046.76

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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.