Home / 39,257.31-54,175.34-21,352.44

Finding the Fourth Proportional to 39,257.31, 54,175.34 and 21,352.44

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Solution

The fourth proportional to 39,257.31, 54,175.34 and 21,352.44 is: 29,466.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,257.31 : 54,175.34 = 21,352.44 : x
  2. Step 2: Convert to fraction form
    39,257.31/54,175.34 = 21,352.44/x
  3. Step 3: Cross multiply
    39,257.31x = 54,175.34 × 21,352.44
  4. Step 4: Simplify right side
    39,257.31x = 1,156,775,696.83
  5. Step 5: Solve for x
    x = 1,156,775,696.83/39,257.31
  6. Step 6: Final answer
    x = 29,466.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.