Home / 53,859.61-80,826.32-18,799.27

Finding the Fourth Proportional to 53,859.61, 80,826.32 and 18,799.27

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Solution

The fourth proportional to 53,859.61, 80,826.32 and 18,799.27 is: 28,211.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,859.61 : 80,826.32 = 18,799.27 : x
  2. Step 2: Convert to fraction form
    53,859.61/80,826.32 = 18,799.27/x
  3. Step 3: Cross multiply
    53,859.61x = 80,826.32 × 18,799.27
  4. Step 4: Simplify right side
    53,859.61x = 1,519,475,812.79
  5. Step 5: Solve for x
    x = 1,519,475,812.79/53,859.61
  6. Step 6: Final answer
    x = 28,211.79

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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.