Home / 39,352.26-54,306.16-21,447.28

Finding the Fourth Proportional to 39,352.26, 54,306.16 and 21,447.28

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Solution

The fourth proportional to 39,352.26, 54,306.16 and 21,447.28 is: 29,597.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,352.26 : 54,306.16 = 21,447.28 : x
  2. Step 2: Convert to fraction form
    39,352.26/54,306.16 = 21,447.28/x
  3. Step 3: Cross multiply
    39,352.26x = 54,306.16 × 21,447.28
  4. Step 4: Simplify right side
    39,352.26x = 1,164,719,419.24
  5. Step 5: Solve for x
    x = 1,164,719,419.24/39,352.26
  6. Step 6: Final answer
    x = 29,597.27

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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.