Home / 51,655.58-77,453.25-20,028.69

Finding the Fourth Proportional to 51,655.58, 77,453.25 and 20,028.69

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Solution

The fourth proportional to 51,655.58, 77,453.25 and 20,028.69 is: 30,031.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,655.58 : 77,453.25 = 20,028.69 : x
  2. Step 2: Convert to fraction form
    51,655.58/77,453.25 = 20,028.69/x
  3. Step 3: Cross multiply
    51,655.58x = 77,453.25 × 20,028.69
  4. Step 4: Simplify right side
    51,655.58x = 1,551,286,918.40
  5. Step 5: Solve for x
    x = 1,551,286,918.40/51,655.58
  6. Step 6: Final answer
    x = 30,031.36

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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.