Home / 53,429.88-80,144.67-15,989.94

Finding the Fourth Proportional to 53,429.88, 80,144.67 and 15,989.94

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Solution

The fourth proportional to 53,429.88, 80,144.67 and 15,989.94 is: 23,984.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,429.88 : 80,144.67 = 15,989.94 : x
  2. Step 2: Convert to fraction form
    53,429.88/80,144.67 = 15,989.94/x
  3. Step 3: Cross multiply
    53,429.88x = 80,144.67 × 15,989.94
  4. Step 4: Simplify right side
    53,429.88x = 1,281,508,464.62
  5. Step 5: Solve for x
    x = 1,281,508,464.62/53,429.88
  6. Step 6: Final answer
    x = 23,984.87

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1.5x scale

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.