Home / 37,855.40-52,245.48-21,729.08

Finding the Fourth Proportional to 37,855.40, 52,245.48 and 21,729.08

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Solution

The fourth proportional to 37,855.40, 52,245.48 and 21,729.08 is: 29,989.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,855.40 : 52,245.48 = 21,729.08 : x
  2. Step 2: Convert to fraction form
    37,855.40/52,245.48 = 21,729.08/x
  3. Step 3: Cross multiply
    37,855.40x = 52,245.48 × 21,729.08
  4. Step 4: Simplify right side
    37,855.40x = 1,135,246,214.56
  5. Step 5: Solve for x
    x = 1,135,246,214.56/37,855.40
  6. Step 6: Final answer
    x = 29,989.02

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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.