Home / 51,744.76-77,631.42-20,601.88

Finding the Fourth Proportional to 51,744.76, 77,631.42 and 20,601.88

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Solution

The fourth proportional to 51,744.76, 77,631.42 and 20,601.88 is: 30,908.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,744.76 : 77,631.42 = 20,601.88 : x
  2. Step 2: Convert to fraction form
    51,744.76/77,631.42 = 20,601.88/x
  3. Step 3: Cross multiply
    51,744.76x = 77,631.42 × 20,601.88
  4. Step 4: Simplify right side
    51,744.76x = 1,599,353,199.07
  5. Step 5: Solve for x
    x = 1,599,353,199.07/51,744.76
  6. Step 6: Final answer
    x = 30,908.51

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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.