Home / 52,090.22-71,884.59-28,217.09

Finding the Fourth Proportional to 52,090.22, 71,884.59 and 28,217.09

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Solution

The fourth proportional to 52,090.22, 71,884.59 and 28,217.09 is: 38,939.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,090.22 : 71,884.59 = 28,217.09 : x
  2. Step 2: Convert to fraction form
    52,090.22/71,884.59 = 28,217.09/x
  3. Step 3: Cross multiply
    52,090.22x = 71,884.59 × 28,217.09
  4. Step 4: Simplify right side
    52,090.22x = 2,028,373,945.64
  5. Step 5: Solve for x
    x = 2,028,373,945.64/52,090.22
  6. Step 6: Final answer
    x = 38,939.63

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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.