Home / 51,197.28-76,830.50-17,917.64

Finding the Fourth Proportional to 51,197.28, 76,830.50 and 17,917.64

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Solution

The fourth proportional to 51,197.28, 76,830.50 and 17,917.64 is: 26,888.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,197.28 : 76,830.50 = 17,917.64 : x
  2. Step 2: Convert to fraction form
    51,197.28/76,830.50 = 17,917.64/x
  3. Step 3: Cross multiply
    51,197.28x = 76,830.50 × 17,917.64
  4. Step 4: Simplify right side
    51,197.28x = 1,376,621,240.02
  5. Step 5: Solve for x
    x = 1,376,621,240.02/51,197.28
  6. Step 6: Final answer
    x = 26,888.56

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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.