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Finding the Fourth Proportional to 58,134.73, 80,234.72 and 35,486.93

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Solution

The fourth proportional to 58,134.73, 80,234.72 and 35,486.93 is: 48,977.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,134.73 : 80,234.72 = 35,486.93 : x
  2. Step 2: Convert to fraction form
    58,134.73/80,234.72 = 35,486.93/x
  3. Step 3: Cross multiply
    58,134.73x = 80,234.72 × 35,486.93
  4. Step 4: Simplify right side
    58,134.73x = 2,847,283,892.21
  5. Step 5: Solve for x
    x = 2,847,283,892.21/58,134.73
  6. Step 6: Final answer
    x = 48,977.33

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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.