Home / 39,442.66-54,433.08-21,539.33

Finding the Fourth Proportional to 39,442.66, 54,433.08 and 21,539.33

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Solution

The fourth proportional to 39,442.66, 54,433.08 and 21,539.33 is: 29,725.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,442.66 : 54,433.08 = 21,539.33 : x
  2. Step 2: Convert to fraction form
    39,442.66/54,433.08 = 21,539.33/x
  3. Step 3: Cross multiply
    39,442.66x = 54,433.08 × 21,539.33
  4. Step 4: Simplify right side
    39,442.66x = 1,172,452,073.04
  5. Step 5: Solve for x
    x = 1,172,452,073.04/39,442.66
  6. Step 6: Final answer
    x = 29,725.48

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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.