Home / 53,306.76-79,942.68-17,760.45

Finding the Fourth Proportional to 53,306.76, 79,942.68 and 17,760.45

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Solution

The fourth proportional to 53,306.76, 79,942.68 and 17,760.45 is: 26,634.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,306.76 : 79,942.68 = 17,760.45 : x
  2. Step 2: Convert to fraction form
    53,306.76/79,942.68 = 17,760.45/x
  3. Step 3: Cross multiply
    53,306.76x = 79,942.68 × 17,760.45
  4. Step 4: Simplify right side
    53,306.76x = 1,419,817,971.01
  5. Step 5: Solve for x
    x = 1,419,817,971.01/53,306.76
  6. Step 6: Final answer
    x = 26,634.86

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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.