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Finding the Fourth Proportional to 58,101.70, 80,185.62 and 34,216.42

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Solution

The fourth proportional to 58,101.70, 80,185.62 and 34,216.42 is: 47,221.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,101.70 : 80,185.62 = 34,216.42 : x
  2. Step 2: Convert to fraction form
    58,101.70/80,185.62 = 34,216.42/x
  3. Step 3: Cross multiply
    58,101.70x = 80,185.62 × 34,216.42
  4. Step 4: Simplify right side
    58,101.70x = 2,743,664,851.88
  5. Step 5: Solve for x
    x = 2,743,664,851.88/58,101.70
  6. Step 6: Final answer
    x = 47,221.77

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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.