Home / 56,601.45-84,902.31-19,161.90

Finding the Fourth Proportional to 56,601.45, 84,902.31 and 19,161.90

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Solution

The fourth proportional to 56,601.45, 84,902.31 and 19,161.90 is: 28,742.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,601.45 : 84,902.31 = 19,161.90 : x
  2. Step 2: Convert to fraction form
    56,601.45/84,902.31 = 19,161.90/x
  3. Step 3: Cross multiply
    56,601.45x = 84,902.31 × 19,161.90
  4. Step 4: Simplify right side
    56,601.45x = 1,626,889,573.99
  5. Step 5: Solve for x
    x = 1,626,889,573.99/56,601.45
  6. Step 6: Final answer
    x = 28,742.90

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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.