Home / 36,110.30-49,830.74-21,003.39

Finding the Fourth Proportional to 36,110.30, 49,830.74 and 21,003.39

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Solution

The fourth proportional to 36,110.30, 49,830.74 and 21,003.39 is: 28,983.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,110.30 : 49,830.74 = 21,003.39 : x
  2. Step 2: Convert to fraction form
    36,110.30/49,830.74 = 21,003.39/x
  3. Step 3: Cross multiply
    36,110.30x = 49,830.74 × 21,003.39
  4. Step 4: Simplify right side
    36,110.30x = 1,046,614,361.19
  5. Step 5: Solve for x
    x = 1,046,614,361.19/36,110.30
  6. Step 6: Final answer
    x = 28,983.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.