Home / 56,910.24-85,365.24-19,470.64

Finding the Fourth Proportional to 56,910.24, 85,365.24 and 19,470.64

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Solution

The fourth proportional to 56,910.24, 85,365.24 and 19,470.64 is: 29,205.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,910.24 : 85,365.24 = 19,470.64 : x
  2. Step 2: Convert to fraction form
    56,910.24/85,365.24 = 19,470.64/x
  3. Step 3: Cross multiply
    56,910.24x = 85,365.24 × 19,470.64
  4. Step 4: Simplify right side
    56,910.24x = 1,662,115,856.55
  5. Step 5: Solve for x
    x = 1,662,115,856.55/56,910.24
  6. Step 6: Final answer
    x = 29,205.92

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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.