Home / 51,639.36-77,427.84-23,171.12

Finding the Fourth Proportional to 51,639.36, 77,427.84 and 23,171.12

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Solution

The fourth proportional to 51,639.36, 77,427.84 and 23,171.12 is: 34,742.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,639.36 : 77,427.84 = 23,171.12 : x
  2. Step 2: Convert to fraction form
    51,639.36/77,427.84 = 23,171.12/x
  3. Step 3: Cross multiply
    51,639.36x = 77,427.84 × 23,171.12
  4. Step 4: Simplify right side
    51,639.36x = 1,794,089,771.98
  5. Step 5: Solve for x
    x = 1,794,089,771.98/51,639.36
  6. Step 6: Final answer
    x = 34,742.68

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1.5x scale

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.