Home / 54,090.12-81,135.36-16,649.94

Finding the Fourth Proportional to 54,090.12, 81,135.36 and 16,649.94

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Solution

The fourth proportional to 54,090.12, 81,135.36 and 16,649.94 is: 24,974.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,090.12 : 81,135.36 = 16,649.94 : x
  2. Step 2: Convert to fraction form
    54,090.12/81,135.36 = 16,649.94/x
  3. Step 3: Cross multiply
    54,090.12x = 81,135.36 × 16,649.94
  4. Step 4: Simplify right side
    54,090.12x = 1,350,898,875.88
  5. Step 5: Solve for x
    x = 1,350,898,875.88/54,090.12
  6. Step 6: Final answer
    x = 24,974.97

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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.