Home / 51,181.78-76,779.60-17,894.02

Finding the Fourth Proportional to 51,181.78, 76,779.60 and 17,894.02

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Solution

The fourth proportional to 51,181.78, 76,779.60 and 17,894.02 is: 26,843.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,181.78 : 76,779.60 = 17,894.02 : x
  2. Step 2: Convert to fraction form
    51,181.78/76,779.60 = 17,894.02/x
  3. Step 3: Cross multiply
    51,181.78x = 76,779.60 × 17,894.02
  4. Step 4: Simplify right side
    51,181.78x = 1,373,895,697.99
  5. Step 5: Solve for x
    x = 1,373,895,697.99/51,181.78
  6. Step 6: Final answer
    x = 26,843.45

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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.