Home / 51,245.58-70,717.68-28,586.76

Finding the Fourth Proportional to 51,245.58, 70,717.68 and 28,586.76

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Solution

The fourth proportional to 51,245.58, 70,717.68 and 28,586.76 is: 39,449.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,245.58 : 70,717.68 = 28,586.76 : x
  2. Step 2: Convert to fraction form
    51,245.58/70,717.68 = 28,586.76/x
  3. Step 3: Cross multiply
    51,245.58x = 70,717.68 × 28,586.76
  4. Step 4: Simplify right side
    51,245.58x = 2,021,589,345.92
  5. Step 5: Solve for x
    x = 2,021,589,345.92/51,245.58
  6. Step 6: Final answer
    x = 39,449.05

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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.