Home / 38,238.54-52,770.95-21,242.80

Finding the Fourth Proportional to 38,238.54, 52,770.95 and 21,242.80

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Solution

The fourth proportional to 38,238.54, 52,770.95 and 21,242.80 is: 29,316.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,238.54 : 52,770.95 = 21,242.80 : x
  2. Step 2: Convert to fraction form
    38,238.54/52,770.95 = 21,242.80/x
  3. Step 3: Cross multiply
    38,238.54x = 52,770.95 × 21,242.80
  4. Step 4: Simplify right side
    38,238.54x = 1,121,002,736.66
  5. Step 5: Solve for x
    x = 1,121,002,736.66/38,238.54
  6. Step 6: Final answer
    x = 29,316.04

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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.