Home / 39,734.30-54,833.41-21,829.15

Finding the Fourth Proportional to 39,734.30, 54,833.41 and 21,829.15

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Solution

The fourth proportional to 39,734.30, 54,833.41 and 21,829.15 is: 30,124.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,734.30 : 54,833.41 = 21,829.15 : x
  2. Step 2: Convert to fraction form
    39,734.30/54,833.41 = 21,829.15/x
  3. Step 3: Cross multiply
    39,734.30x = 54,833.41 × 21,829.15
  4. Step 4: Simplify right side
    39,734.30x = 1,196,966,396.50
  5. Step 5: Solve for x
    x = 1,196,966,396.50/39,734.30
  6. Step 6: Final answer
    x = 30,124.26

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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.