Home / 51,197.37-76,830.65-17,917.72

Finding the Fourth Proportional to 51,197.37, 76,830.65 and 17,917.72

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Solution

The fourth proportional to 51,197.37, 76,830.65 and 17,917.72 is: 26,888.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,197.37 : 76,830.65 = 17,917.72 : x
  2. Step 2: Convert to fraction form
    51,197.37/76,830.65 = 17,917.72/x
  3. Step 3: Cross multiply
    51,197.37x = 76,830.65 × 17,917.72
  4. Step 4: Simplify right side
    51,197.37x = 1,376,630,074.12
  5. Step 5: Solve for x
    x = 1,376,630,074.12/51,197.37
  6. Step 6: Final answer
    x = 26,888.69

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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.