Home / 36,649.17-54,990.16-21,066.80

Finding the Fourth Proportional to 36,649.17, 54,990.16 and 21,066.80

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Solution

The fourth proportional to 36,649.17, 54,990.16 and 21,066.80 is: 31,609.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,649.17 : 54,990.16 = 21,066.80 : x
  2. Step 2: Convert to fraction form
    36,649.17/54,990.16 = 21,066.80/x
  3. Step 3: Cross multiply
    36,649.17x = 54,990.16 × 21,066.80
  4. Step 4: Simplify right side
    36,649.17x = 1,158,466,375.07
  5. Step 5: Solve for x
    x = 1,158,466,375.07/36,649.17
  6. Step 6: Final answer
    x = 31,609.62

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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.