Home / 38,266.72-52,808.03-21,270.44

Finding the Fourth Proportional to 38,266.72, 52,808.03 and 21,270.44

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Solution

The fourth proportional to 38,266.72, 52,808.03 and 21,270.44 is: 29,353.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,266.72 : 52,808.03 = 21,270.44 : x
  2. Step 2: Convert to fraction form
    38,266.72/52,808.03 = 21,270.44/x
  3. Step 3: Cross multiply
    38,266.72x = 52,808.03 × 21,270.44
  4. Step 4: Simplify right side
    38,266.72x = 1,123,250,033.63
  5. Step 5: Solve for x
    x = 1,123,250,033.63/38,266.72
  6. Step 6: Final answer
    x = 29,353.18

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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.