Home / 51,806.20-71,492.66-30,586.83

Finding the Fourth Proportional to 51,806.20, 71,492.66 and 30,586.83

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Solution

The fourth proportional to 51,806.20, 71,492.66 and 30,586.83 is: 42,209.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,806.20 : 71,492.66 = 30,586.83 : x
  2. Step 2: Convert to fraction form
    51,806.20/71,492.66 = 30,586.83/x
  3. Step 3: Cross multiply
    51,806.20x = 71,492.66 × 30,586.83
  4. Step 4: Simplify right side
    51,806.20x = 2,186,733,327.27
  5. Step 5: Solve for x
    x = 2,186,733,327.27/51,806.20
  6. Step 6: Final answer
    x = 42,209.88

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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.