Home / 38,226.05-52,753.71-21,230.37

Finding the Fourth Proportional to 38,226.05, 52,753.71 and 21,230.37

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Solution

The fourth proportional to 38,226.05, 52,753.71 and 21,230.37 is: 29,298.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,226.05 : 52,753.71 = 21,230.37 : x
  2. Step 2: Convert to fraction form
    38,226.05/52,753.71 = 21,230.37/x
  3. Step 3: Cross multiply
    38,226.05x = 52,753.71 × 21,230.37
  4. Step 4: Simplify right side
    38,226.05x = 1,119,980,682.66
  5. Step 5: Solve for x
    x = 1,119,980,682.66/38,226.05
  6. Step 6: Final answer
    x = 29,298.88

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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.