Home / 53,770.68-80,688.42-18,734.94

Finding the Fourth Proportional to 53,770.68, 80,688.42 and 18,734.94

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Solution

The fourth proportional to 53,770.68, 80,688.42 and 18,734.94 is: 28,113.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,770.68 : 80,688.42 = 18,734.94 : x
  2. Step 2: Convert to fraction form
    53,770.68/80,688.42 = 18,734.94/x
  3. Step 3: Cross multiply
    53,770.68x = 80,688.42 × 18,734.94
  4. Step 4: Simplify right side
    53,770.68x = 1,511,692,707.39
  5. Step 5: Solve for x
    x = 1,511,692,707.39/53,770.68
  6. Step 6: Final answer
    x = 28,113.70

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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.