Home / 39,205.41-54,104.40-21,301.44

Finding the Fourth Proportional to 39,205.41, 54,104.40 and 21,301.44

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Solution

The fourth proportional to 39,205.41, 54,104.40 and 21,301.44 is: 29,396.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,205.41 : 54,104.40 = 21,301.44 : x
  2. Step 2: Convert to fraction form
    39,205.41/54,104.40 = 21,301.44/x
  3. Step 3: Cross multiply
    39,205.41x = 54,104.40 × 21,301.44
  4. Step 4: Simplify right side
    39,205.41x = 1,152,501,630.34
  5. Step 5: Solve for x
    x = 1,152,501,630.34/39,205.41
  6. Step 6: Final answer
    x = 29,396.49

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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.