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Finding the Fourth Proportional to 35,294.94, 48,703.43 and 21,147.42

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Solution

The fourth proportional to 35,294.94, 48,703.43 and 21,147.42 is: 29,181.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,294.94 : 48,703.43 = 21,147.42 : x
  2. Step 2: Convert to fraction form
    35,294.94/48,703.43 = 21,147.42/x
  3. Step 3: Cross multiply
    35,294.94x = 48,703.43 × 21,147.42
  4. Step 4: Simplify right side
    35,294.94x = 1,029,951,889.65
  5. Step 5: Solve for x
    x = 1,029,951,889.65/35,294.94
  6. Step 6: Final answer
    x = 29,181.29

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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.