Home / 51,441.72-77,165.56-19,851.92

Finding the Fourth Proportional to 51,441.72, 77,165.56 and 19,851.92

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Solution

The fourth proportional to 51,441.72, 77,165.56 and 19,851.92 is: 29,779.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,441.72 : 77,165.56 = 19,851.92 : x
  2. Step 2: Convert to fraction form
    51,441.72/77,165.56 = 19,851.92/x
  3. Step 3: Cross multiply
    51,441.72x = 77,165.56 × 19,851.92
  4. Step 4: Simplify right side
    51,441.72x = 1,531,884,452.23
  5. Step 5: Solve for x
    x = 1,531,884,452.23/51,441.72
  6. Step 6: Final answer
    x = 29,779.03

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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.