Home / 38,104.64-52,584.40-21,109.99

Finding the Fourth Proportional to 38,104.64, 52,584.40 and 21,109.99

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Solution

The fourth proportional to 38,104.64, 52,584.40 and 21,109.99 is: 29,131.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,104.64 : 52,584.40 = 21,109.99 : x
  2. Step 2: Convert to fraction form
    38,104.64/52,584.40 = 21,109.99/x
  3. Step 3: Cross multiply
    38,104.64x = 52,584.40 × 21,109.99
  4. Step 4: Simplify right side
    38,104.64x = 1,110,056,032.93
  5. Step 5: Solve for x
    x = 1,110,056,032.93/38,104.64
  6. Step 6: Final answer
    x = 29,131.78

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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.