Home / 53,519.87-80,289.07-17,984.65

Finding the Fourth Proportional to 53,519.87, 80,289.07 and 17,984.65

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Solution

The fourth proportional to 53,519.87, 80,289.07 and 17,984.65 is: 26,980.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,519.87 : 80,289.07 = 17,984.65 : x
  2. Step 2: Convert to fraction form
    53,519.87/80,289.07 = 17,984.65/x
  3. Step 3: Cross multiply
    53,519.87x = 80,289.07 × 17,984.65
  4. Step 4: Simplify right side
    53,519.87x = 1,443,970,822.78
  5. Step 5: Solve for x
    x = 1,443,970,822.78/53,519.87
  6. Step 6: Final answer
    x = 26,980.09

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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.