Home / 53,913.90-80,874.45-18,374.70

Finding the Fourth Proportional to 53,913.90, 80,874.45 and 18,374.70

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Solution

The fourth proportional to 53,913.90, 80,874.45 and 18,374.70 is: 27,563.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,913.90 : 80,874.45 = 18,374.70 : x
  2. Step 2: Convert to fraction form
    53,913.90/80,874.45 = 18,374.70/x
  3. Step 3: Cross multiply
    53,913.90x = 80,874.45 × 18,374.70
  4. Step 4: Simplify right side
    53,913.90x = 1,486,043,756.42
  5. Step 5: Solve for x
    x = 1,486,043,756.42/53,913.90
  6. Step 6: Final answer
    x = 27,563.28

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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.