Home / 39,446.22-54,436.23-21,541.44

Finding the Fourth Proportional to 39,446.22, 54,436.23 and 21,541.44

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Solution

The fourth proportional to 39,446.22, 54,436.23 and 21,541.44 is: 29,727.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,446.22 : 54,436.23 = 21,541.44 : x
  2. Step 2: Convert to fraction form
    39,446.22/54,436.23 = 21,541.44/x
  3. Step 3: Cross multiply
    39,446.22x = 54,436.23 × 21,541.44
  4. Step 4: Simplify right side
    39,446.22x = 1,172,634,782.37
  5. Step 5: Solve for x
    x = 1,172,634,782.37/39,446.22
  6. Step 6: Final answer
    x = 29,727.43

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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.