Home / 39,301.60-54,234.44-21,396.14

Finding the Fourth Proportional to 39,301.60, 54,234.44 and 21,396.14

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Solution

The fourth proportional to 39,301.60, 54,234.44 and 21,396.14 is: 29,525.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,301.60 : 54,234.44 = 21,396.14 : x
  2. Step 2: Convert to fraction form
    39,301.60/54,234.44 = 21,396.14/x
  3. Step 3: Cross multiply
    39,301.60x = 54,234.44 × 21,396.14
  4. Step 4: Simplify right side
    39,301.60x = 1,160,407,671.06
  5. Step 5: Solve for x
    x = 1,160,407,671.06/39,301.60
  6. Step 6: Final answer
    x = 29,525.71

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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.