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Finding the Fourth Proportional to 52,653.85, 72,662.19 and 29,992.83

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Solution

The fourth proportional to 52,653.85, 72,662.19 and 29,992.83 is: 41,390.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,653.85 : 72,662.19 = 29,992.83 : x
  2. Step 2: Convert to fraction form
    52,653.85/72,662.19 = 29,992.83/x
  3. Step 3: Cross multiply
    52,653.85x = 72,662.19 × 29,992.83
  4. Step 4: Simplify right side
    52,653.85x = 2,179,344,712.10
  5. Step 5: Solve for x
    x = 2,179,344,712.10/52,653.85
  6. Step 6: Final answer
    x = 41,390.04

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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.