Home / 51,254.21-76,884.56-21,668.15

Finding the Fourth Proportional to 51,254.21, 76,884.56 and 21,668.15

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Solution

The fourth proportional to 51,254.21, 76,884.56 and 21,668.15 is: 32,503.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,254.21 : 76,884.56 = 21,668.15 : x
  2. Step 2: Convert to fraction form
    51,254.21/76,884.56 = 21,668.15/x
  3. Step 3: Cross multiply
    51,254.21x = 76,884.56 × 21,668.15
  4. Step 4: Simplify right side
    51,254.21x = 1,665,945,686.00
  5. Step 5: Solve for x
    x = 1,665,945,686.00/51,254.21
  6. Step 6: Final answer
    x = 32,503.59

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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.