Home / 39,454.51-54,446.94-21,549.52

Finding the Fourth Proportional to 39,454.51, 54,446.94 and 21,549.52

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Solution

The fourth proportional to 39,454.51, 54,446.94 and 21,549.52 is: 29,738.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,454.51 : 54,446.94 = 21,549.52 : x
  2. Step 2: Convert to fraction form
    39,454.51/54,446.94 = 21,549.52/x
  3. Step 3: Cross multiply
    39,454.51x = 54,446.94 × 21,549.52
  4. Step 4: Simplify right side
    39,454.51x = 1,173,305,150.23
  5. Step 5: Solve for x
    x = 1,173,305,150.23/39,454.51
  6. Step 6: Final answer
    x = 29,738.18

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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.