Home / 51,427.71-77,170.73-20,284.83

Finding the Fourth Proportional to 51,427.71, 77,170.73 and 20,284.83

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Solution

The fourth proportional to 51,427.71, 77,170.73 and 20,284.83 is: 30,438.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,427.71 : 77,170.73 = 20,284.83 : x
  2. Step 2: Convert to fraction form
    51,427.71/77,170.73 = 20,284.83/x
  3. Step 3: Cross multiply
    51,427.71x = 77,170.73 × 20,284.83
  4. Step 4: Simplify right side
    51,427.71x = 1,565,395,037.60
  5. Step 5: Solve for x
    x = 1,565,395,037.60/51,427.71
  6. Step 6: Final answer
    x = 30,438.75

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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.