Home / 53,920.34-80,891.45-18,884.60

Finding the Fourth Proportional to 53,920.34, 80,891.45 and 18,884.60

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Solution

The fourth proportional to 53,920.34, 80,891.45 and 18,884.60 is: 28,330.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,920.34 : 80,891.45 = 18,884.60 : x
  2. Step 2: Convert to fraction form
    53,920.34/80,891.45 = 18,884.60/x
  3. Step 3: Cross multiply
    53,920.34x = 80,891.45 × 18,884.60
  4. Step 4: Simplify right side
    53,920.34x = 1,527,602,582.25
  5. Step 5: Solve for x
    x = 1,527,602,582.25/53,920.34
  6. Step 6: Final answer
    x = 28,330.73

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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.