Home / 56,764.48-85,145.80-19,350.62

Finding the Fourth Proportional to 56,764.48, 85,145.80 and 19,350.62

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Solution

The fourth proportional to 56,764.48, 85,145.80 and 19,350.62 is: 29,025.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,764.48 : 85,145.80 = 19,350.62 : x
  2. Step 2: Convert to fraction form
    56,764.48/85,145.80 = 19,350.62/x
  3. Step 3: Cross multiply
    56,764.48x = 85,145.80 × 19,350.62
  4. Step 4: Simplify right side
    56,764.48x = 1,647,624,020.40
  5. Step 5: Solve for x
    x = 1,647,624,020.40/56,764.48
  6. Step 6: Final answer
    x = 29,025.62

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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.