Home / 36,649.46-54,979.43-11,689.79

Finding the Fourth Proportional to 36,649.46, 54,979.43 and 11,689.79

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Solution

The fourth proportional to 36,649.46, 54,979.43 and 11,689.79 is: 17,536.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,649.46 : 54,979.43 = 11,689.79 : x
  2. Step 2: Convert to fraction form
    36,649.46/54,979.43 = 11,689.79/x
  3. Step 3: Cross multiply
    36,649.46x = 54,979.43 × 11,689.79
  4. Step 4: Simplify right side
    36,649.46x = 642,697,657.67
  5. Step 5: Solve for x
    x = 642,697,657.67/36,649.46
  6. Step 6: Final answer
    x = 17,536.35

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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.