Home / 51,051.09-76,591.23-21,453.69

Finding the Fourth Proportional to 51,051.09, 76,591.23 and 21,453.69

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Solution

The fourth proportional to 51,051.09, 76,591.23 and 21,453.69 is: 32,186.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,051.09 : 76,591.23 = 21,453.69 : x
  2. Step 2: Convert to fraction form
    51,051.09/76,591.23 = 21,453.69/x
  3. Step 3: Cross multiply
    51,051.09x = 76,591.23 × 21,453.69
  4. Step 4: Simplify right side
    51,051.09x = 1,643,164,505.14
  5. Step 5: Solve for x
    x = 1,643,164,505.14/51,051.09
  6. Step 6: Final answer
    x = 32,186.67

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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.