Home / 39,346.36-54,297.89-21,441.31

Finding the Fourth Proportional to 39,346.36, 54,297.89 and 21,441.31

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Solution

The fourth proportional to 39,346.36, 54,297.89 and 21,441.31 is: 29,588.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,346.36 : 54,297.89 = 21,441.31 : x
  2. Step 2: Convert to fraction form
    39,346.36/54,297.89 = 21,441.31/x
  3. Step 3: Cross multiply
    39,346.36x = 54,297.89 × 21,441.31
  4. Step 4: Simplify right side
    39,346.36x = 1,164,217,849.90
  5. Step 5: Solve for x
    x = 1,164,217,849.90/39,346.36
  6. Step 6: Final answer
    x = 29,588.96

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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.