Home / 53,902.86-80,825.13-18,353.58

Finding the Fourth Proportional to 53,902.86, 80,825.13 and 18,353.58

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Solution

The fourth proportional to 53,902.86, 80,825.13 and 18,353.58 is: 27,520.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,902.86 : 80,825.13 = 18,353.58 : x
  2. Step 2: Convert to fraction form
    53,902.86/80,825.13 = 18,353.58/x
  3. Step 3: Cross multiply
    53,902.86x = 80,825.13 × 18,353.58
  4. Step 4: Simplify right side
    53,902.86x = 1,483,430,489.47
  5. Step 5: Solve for x
    x = 1,483,430,489.47/53,902.86
  6. Step 6: Final answer
    x = 27,520.44

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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.