Home / 51,303.27-76,981.55-38,819.58

Finding the Fourth Proportional to 51,303.27, 76,981.55 and 38,819.58

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Solution

The fourth proportional to 51,303.27, 76,981.55 and 38,819.58 is: 58,249.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,303.27 : 76,981.55 = 38,819.58 : x
  2. Step 2: Convert to fraction form
    51,303.27/76,981.55 = 38,819.58/x
  3. Step 3: Cross multiply
    51,303.27x = 76,981.55 × 38,819.58
  4. Step 4: Simplify right side
    51,303.27x = 2,988,391,244.65
  5. Step 5: Solve for x
    x = 2,988,391,244.65/51,303.27
  6. Step 6: Final answer
    x = 58,249.53

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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.