Home / 51,427.26-77,148.99-21,845.25

Finding the Fourth Proportional to 51,427.26, 77,148.99 and 21,845.25

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Solution

The fourth proportional to 51,427.26, 77,148.99 and 21,845.25 is: 32,771.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,427.26 : 77,148.99 = 21,845.25 : x
  2. Step 2: Convert to fraction form
    51,427.26/77,148.99 = 21,845.25/x
  3. Step 3: Cross multiply
    51,427.26x = 77,148.99 × 21,845.25
  4. Step 4: Simplify right side
    51,427.26x = 1,685,338,973.80
  5. Step 5: Solve for x
    x = 1,685,338,973.80/51,427.26
  6. Step 6: Final answer
    x = 32,771.32

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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.