Home / 38,267.30-52,805.84-21,270.21

Finding the Fourth Proportional to 38,267.30, 52,805.84 and 21,270.21

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Solution

The fourth proportional to 38,267.30, 52,805.84 and 21,270.21 is: 29,351.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,267.30 : 52,805.84 = 21,270.21 : x
  2. Step 2: Convert to fraction form
    38,267.30/52,805.84 = 21,270.21/x
  3. Step 3: Cross multiply
    38,267.30x = 52,805.84 × 21,270.21
  4. Step 4: Simplify right side
    38,267.30x = 1,123,191,199.68
  5. Step 5: Solve for x
    x = 1,123,191,199.68/38,267.30
  6. Step 6: Final answer
    x = 29,351.20

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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.