Home / 51,771.76-77,803.89-30,715.73

Finding the Fourth Proportional to 51,771.76, 77,803.89 and 30,715.73

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Solution

The fourth proportional to 51,771.76, 77,803.89 and 30,715.73 is: 46,160.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,771.76 : 77,803.89 = 30,715.73 : x
  2. Step 2: Convert to fraction form
    51,771.76/77,803.89 = 30,715.73/x
  3. Step 3: Cross multiply
    51,771.76x = 77,803.89 × 30,715.73
  4. Step 4: Simplify right side
    51,771.76x = 2,389,803,457.35
  5. Step 5: Solve for x
    x = 2,389,803,457.35/51,771.76
  6. Step 6: Final answer
    x = 46,160.37

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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.