Home / 39,645.40-54,739.34-25,522.84

Finding the Fourth Proportional to 39,645.40, 54,739.34 and 25,522.84

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Solution

The fourth proportional to 39,645.40, 54,739.34 and 25,522.84 is: 35,239.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,645.40 : 54,739.34 = 25,522.84 : x
  2. Step 2: Convert to fraction form
    39,645.40/54,739.34 = 25,522.84/x
  3. Step 3: Cross multiply
    39,645.40x = 54,739.34 × 25,522.84
  4. Step 4: Simplify right side
    39,645.40x = 1,397,103,416.53
  5. Step 5: Solve for x
    x = 1,397,103,416.53/39,645.40
  6. Step 6: Final answer
    x = 35,239.99

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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.