Home / 39,346.28-54,297.16-21,441.43

Finding the Fourth Proportional to 39,346.28, 54,297.16 and 21,441.43

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Solution

The fourth proportional to 39,346.28, 54,297.16 and 21,441.43 is: 29,588.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,346.28 : 54,297.16 = 21,441.43 : x
  2. Step 2: Convert to fraction form
    39,346.28/54,297.16 = 21,441.43/x
  3. Step 3: Cross multiply
    39,346.28x = 54,297.16 × 21,441.43
  4. Step 4: Simplify right side
    39,346.28x = 1,164,208,755.34
  5. Step 5: Solve for x
    x = 1,164,208,755.34/39,346.28
  6. Step 6: Final answer
    x = 29,588.79

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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.