Home / 38,203.82-52,727.56-21,213.50

Finding the Fourth Proportional to 38,203.82, 52,727.56 and 21,213.50

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Solution

The fourth proportional to 38,203.82, 52,727.56 and 21,213.50 is: 29,278.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,203.82 : 52,727.56 = 21,213.50 : x
  2. Step 2: Convert to fraction form
    38,203.82/52,727.56 = 21,213.50/x
  3. Step 3: Cross multiply
    38,203.82x = 52,727.56 × 21,213.50
  4. Step 4: Simplify right side
    38,203.82x = 1,118,535,777.39
  5. Step 5: Solve for x
    x = 1,118,535,777.39/38,203.82
  6. Step 6: Final answer
    x = 29,278.11

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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.