Home / 39,396.96-54,367.97-21,492.36

Finding the Fourth Proportional to 39,396.96, 54,367.97 and 21,492.36

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Solution

The fourth proportional to 39,396.96, 54,367.97 and 21,492.36 is: 29,659.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,396.96 : 54,367.97 = 21,492.36 : x
  2. Step 2: Convert to fraction form
    39,396.96/54,367.97 = 21,492.36/x
  3. Step 3: Cross multiply
    39,396.96x = 54,367.97 × 21,492.36
  4. Step 4: Simplify right side
    39,396.96x = 1,168,495,876.25
  5. Step 5: Solve for x
    x = 1,168,495,876.25/39,396.96
  6. Step 6: Final answer
    x = 29,659.54

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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.