Home / 51,930.99-71,659.28-29,269.42

Finding the Fourth Proportional to 51,930.99, 71,659.28 and 29,269.42

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Solution

The fourth proportional to 51,930.99, 71,659.28 and 29,269.42 is: 40,388.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,930.99 : 71,659.28 = 29,269.42 : x
  2. Step 2: Convert to fraction form
    51,930.99/71,659.28 = 29,269.42/x
  3. Step 3: Cross multiply
    51,930.99x = 71,659.28 × 29,269.42
  4. Step 4: Simplify right side
    51,930.99x = 2,097,425,457.24
  5. Step 5: Solve for x
    x = 2,097,425,457.24/51,930.99
  6. Step 6: Final answer
    x = 40,388.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.