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Finding the Fourth Proportional to 71,612.96, 107,419.73 and 24,228.41

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Solution

The fourth proportional to 71,612.96, 107,419.73 and 24,228.41 is: 36,342.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,612.96 : 107,419.73 = 24,228.41 : x
  2. Step 2: Convert to fraction form
    71,612.96/107,419.73 = 24,228.41/x
  3. Step 3: Cross multiply
    71,612.96x = 107,419.73 × 24,228.41
  4. Step 4: Simplify right side
    71,612.96x = 2,602,608,602.29
  5. Step 5: Solve for x
    x = 2,602,608,602.29/71,612.96
  6. Step 6: Final answer
    x = 36,342.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.