Home / 53,800.23-80,711.24-18,742.62

Finding the Fourth Proportional to 53,800.23, 80,711.24 and 18,742.62

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Solution

The fourth proportional to 53,800.23, 80,711.24 and 18,742.62 is: 28,117.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,800.23 : 80,711.24 = 18,742.62 : x
  2. Step 2: Convert to fraction form
    53,800.23/80,711.24 = 18,742.62/x
  3. Step 3: Cross multiply
    53,800.23x = 80,711.24 × 18,742.62
  4. Step 4: Simplify right side
    53,800.23x = 1,512,740,007.34
  5. Step 5: Solve for x
    x = 1,512,740,007.34/53,800.23
  6. Step 6: Final answer
    x = 28,117.72

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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.