Home / 48,090.05-72,120.22-18,108.59

Finding the Fourth Proportional to 48,090.05, 72,120.22 and 18,108.59

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Solution

The fourth proportional to 48,090.05, 72,120.22 and 18,108.59 is: 27,157.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,090.05 : 72,120.22 = 18,108.59 : x
  2. Step 2: Convert to fraction form
    48,090.05/72,120.22 = 18,108.59/x
  3. Step 3: Cross multiply
    48,090.05x = 72,120.22 × 18,108.59
  4. Step 4: Simplify right side
    48,090.05x = 1,305,995,494.69
  5. Step 5: Solve for x
    x = 1,305,995,494.69/48,090.05
  6. Step 6: Final answer
    x = 27,157.29

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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.