Home / 38,105.85-52,585.37-21,110.04

Finding the Fourth Proportional to 38,105.85, 52,585.37 and 21,110.04

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Solution

The fourth proportional to 38,105.85, 52,585.37 and 21,110.04 is: 29,131.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,105.85 : 52,585.37 = 21,110.04 : x
  2. Step 2: Convert to fraction form
    38,105.85/52,585.37 = 21,110.04/x
  3. Step 3: Cross multiply
    38,105.85x = 52,585.37 × 21,110.04
  4. Step 4: Simplify right side
    38,105.85x = 1,110,079,158.56
  5. Step 5: Solve for x
    x = 1,110,079,158.56/38,105.85
  6. Step 6: Final answer
    x = 29,131.46

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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.