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Finding the Fourth Proportional to 38,008, 52,450.08 and 21,241.12

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Solution

The fourth proportional to 38,008, 52,450.08 and 21,241.12 is: 29,312.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,008 : 52,450.08 = 21,241.12 : x
  2. Step 2: Convert to fraction form
    38,008/52,450.08 = 21,241.12/x
  3. Step 3: Cross multiply
    38,008x = 52,450.08 × 21,241.12
  4. Step 4: Simplify right side
    38,008x = 1,114,098,443.29
  5. Step 5: Solve for x
    x = 1,114,098,443.29/38,008
  6. Step 6: Final answer
    x = 29,312.21

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Double scale
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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.