Home / 53,218.24-79,835.55-18,149.70

Finding the Fourth Proportional to 53,218.24, 79,835.55 and 18,149.70

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Solution

The fourth proportional to 53,218.24, 79,835.55 and 18,149.70 is: 27,227.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,218.24 : 79,835.55 = 18,149.70 : x
  2. Step 2: Convert to fraction form
    53,218.24/79,835.55 = 18,149.70/x
  3. Step 3: Cross multiply
    53,218.24x = 79,835.55 × 18,149.70
  4. Step 4: Simplify right side
    53,218.24x = 1,448,991,281.84
  5. Step 5: Solve for x
    x = 1,448,991,281.84/53,218.24
  6. Step 6: Final answer
    x = 27,227.34

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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.