Home / 53,311.99-79,880.46-18,232.51

Finding the Fourth Proportional to 53,311.99, 79,880.46 and 18,232.51

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Solution

The fourth proportional to 53,311.99, 79,880.46 and 18,232.51 is: 27,318.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,311.99 : 79,880.46 = 18,232.51 : x
  2. Step 2: Convert to fraction form
    53,311.99/79,880.46 = 18,232.51/x
  3. Step 3: Cross multiply
    53,311.99x = 79,880.46 × 18,232.51
  4. Step 4: Simplify right side
    53,311.99x = 1,456,421,285.75
  5. Step 5: Solve for x
    x = 1,456,421,285.75/53,311.99
  6. Step 6: Final answer
    x = 27,318.83

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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.