Home / 56,610.53-84,919.40-19,165.43

Finding the Fourth Proportional to 56,610.53, 84,919.40 and 19,165.43

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Solution

The fourth proportional to 56,610.53, 84,919.40 and 19,165.43 is: 28,749.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,610.53 : 84,919.40 = 19,165.43 : x
  2. Step 2: Convert to fraction form
    56,610.53/84,919.40 = 19,165.43/x
  3. Step 3: Cross multiply
    56,610.53x = 84,919.40 × 19,165.43
  4. Step 4: Simplify right side
    56,610.53x = 1,627,516,439.66
  5. Step 5: Solve for x
    x = 1,627,516,439.66/56,610.53
  6. Step 6: Final answer
    x = 28,749.36

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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.