Home / 39,274.25-54,196.83-21,369.32

Finding the Fourth Proportional to 39,274.25, 54,196.83 and 21,369.32

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Solution

The fourth proportional to 39,274.25, 54,196.83 and 21,369.32 is: 29,488.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,274.25 : 54,196.83 = 21,369.32 : x
  2. Step 2: Convert to fraction form
    39,274.25/54,196.83 = 21,369.32/x
  3. Step 3: Cross multiply
    39,274.25x = 54,196.83 × 21,369.32
  4. Step 4: Simplify right side
    39,274.25x = 1,158,149,403.26
  5. Step 5: Solve for x
    x = 1,158,149,403.26/39,274.25
  6. Step 6: Final answer
    x = 29,488.77

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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.