Home / 53,179.16-79,768.73-15,739.61

Finding the Fourth Proportional to 53,179.16, 79,768.73 and 15,739.61

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Solution

The fourth proportional to 53,179.16, 79,768.73 and 15,739.61 is: 23,609.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,179.16 : 79,768.73 = 15,739.61 : x
  2. Step 2: Convert to fraction form
    53,179.16/79,768.73 = 15,739.61/x
  3. Step 3: Cross multiply
    53,179.16x = 79,768.73 × 15,739.61
  4. Step 4: Simplify right side
    53,179.16x = 1,255,528,340.90
  5. Step 5: Solve for x
    x = 1,255,528,340.90/53,179.16
  6. Step 6: Final answer
    x = 23,609.41

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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.