Home / 38,200.79-52,716.27-21,204.04

Finding the Fourth Proportional to 38,200.79, 52,716.27 and 21,204.04

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Solution

The fourth proportional to 38,200.79, 52,716.27 and 21,204.04 is: 29,261.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,200.79 : 52,716.27 = 21,204.04 : x
  2. Step 2: Convert to fraction form
    38,200.79/52,716.27 = 21,204.04/x
  3. Step 3: Cross multiply
    38,200.79x = 52,716.27 × 21,204.04
  4. Step 4: Simplify right side
    38,200.79x = 1,117,797,897.73
  5. Step 5: Solve for x
    x = 1,117,797,897.73/38,200.79
  6. Step 6: Final answer
    x = 29,261.12

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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.