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Finding the Fourth Proportional to 38,093.64, 52,569.42 and 21,098.42

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Solution

The fourth proportional to 38,093.64, 52,569.42 and 21,098.42 is: 29,115.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,093.64 : 52,569.42 = 21,098.42 : x
  2. Step 2: Convert to fraction form
    38,093.64/52,569.42 = 21,098.42/x
  3. Step 3: Cross multiply
    38,093.64x = 52,569.42 × 21,098.42
  4. Step 4: Simplify right side
    38,093.64x = 1,109,131,702.32
  5. Step 5: Solve for x
    x = 1,109,131,702.32/38,093.64
  6. Step 6: Final answer
    x = 29,115.93

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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.