Home / 38,515.32-53,131.44-25,109.04

Finding the Fourth Proportional to 38,515.32, 53,131.44 and 25,109.04

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Solution

The fourth proportional to 38,515.32, 53,131.44 and 25,109.04 is: 34,637.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,515.32 : 53,131.44 = 25,109.04 : x
  2. Step 2: Convert to fraction form
    38,515.32/53,131.44 = 25,109.04/x
  3. Step 3: Cross multiply
    38,515.32x = 53,131.44 × 25,109.04
  4. Step 4: Simplify right side
    38,515.32x = 1,334,079,452.22
  5. Step 5: Solve for x
    x = 1,334,079,452.22/38,515.32
  6. Step 6: Final answer
    x = 34,637.63

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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.