Home / 47,770.92-71,657.10-18,190.40

Finding the Fourth Proportional to 47,770.92, 71,657.10 and 18,190.40

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Solution

The fourth proportional to 47,770.92, 71,657.10 and 18,190.40 is: 27,285.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,770.92 : 71,657.10 = 18,190.40 : x
  2. Step 2: Convert to fraction form
    47,770.92/71,657.10 = 18,190.40/x
  3. Step 3: Cross multiply
    47,770.92x = 71,657.10 × 18,190.40
  4. Step 4: Simplify right side
    47,770.92x = 1,303,470,953.55
  5. Step 5: Solve for x
    x = 1,303,470,953.55/47,770.92
  6. Step 6: Final answer
    x = 27,285.87

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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.