Home / 53,859.86-80,826.69-18,799.52

Finding the Fourth Proportional to 53,859.86, 80,826.69 and 18,799.52

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Solution

The fourth proportional to 53,859.86, 80,826.69 and 18,799.52 is: 28,212.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,859.86 : 80,826.69 = 18,799.52 : x
  2. Step 2: Convert to fraction form
    53,859.86/80,826.69 = 18,799.52/x
  3. Step 3: Cross multiply
    53,859.86x = 80,826.69 × 18,799.52
  4. Step 4: Simplify right side
    53,859.86x = 1,519,502,571.06
  5. Step 5: Solve for x
    x = 1,519,502,571.06/53,859.86
  6. Step 6: Final answer
    x = 28,212.15

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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.