Home / 36,053.10-54,080.49-12,360.45

Finding the Fourth Proportional to 36,053.10, 54,080.49 and 12,360.45

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Solution

The fourth proportional to 36,053.10, 54,080.49 and 12,360.45 is: 18,540.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,053.10 : 54,080.49 = 12,360.45 : x
  2. Step 2: Convert to fraction form
    36,053.10/54,080.49 = 12,360.45/x
  3. Step 3: Cross multiply
    36,053.10x = 54,080.49 × 12,360.45
  4. Step 4: Simplify right side
    36,053.10x = 668,459,192.62
  5. Step 5: Solve for x
    x = 668,459,192.62/36,053.10
  6. Step 6: Final answer
    x = 18,540.96

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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.