Home / 51,193.45-76,784.99-13,748.66

Finding the Fourth Proportional to 51,193.45, 76,784.99 and 13,748.66

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Solution

The fourth proportional to 51,193.45, 76,784.99 and 13,748.66 is: 20,621.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,193.45 : 76,784.99 = 13,748.66 : x
  2. Step 2: Convert to fraction form
    51,193.45/76,784.99 = 13,748.66/x
  3. Step 3: Cross multiply
    51,193.45x = 76,784.99 × 13,748.66
  4. Step 4: Simplify right side
    51,193.45x = 1,055,690,777.20
  5. Step 5: Solve for x
    x = 1,055,690,777.20/51,193.45
  6. Step 6: Final answer
    x = 20,621.60

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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.