Home / 51,211.94-76,841.67-21,636.68

Finding the Fourth Proportional to 51,211.94, 76,841.67 and 21,636.68

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Solution

The fourth proportional to 51,211.94, 76,841.67 and 21,636.68 is: 32,465.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,211.94 : 76,841.67 = 21,636.68 : x
  2. Step 2: Convert to fraction form
    51,211.94/76,841.67 = 21,636.68/x
  3. Step 3: Cross multiply
    51,211.94x = 76,841.67 × 21,636.68
  4. Step 4: Simplify right side
    51,211.94x = 1,662,598,624.46
  5. Step 5: Solve for x
    x = 1,662,598,624.46/51,211.94
  6. Step 6: Final answer
    x = 32,465.06

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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.