Home / 38,859.40-53,601.78-25,424.20

Finding the Fourth Proportional to 38,859.40, 53,601.78 and 25,424.20

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Solution

The fourth proportional to 38,859.40, 53,601.78 and 25,424.20 is: 35,069.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,859.40 : 53,601.78 = 25,424.20 : x
  2. Step 2: Convert to fraction form
    38,859.40/53,601.78 = 25,424.20/x
  3. Step 3: Cross multiply
    38,859.40x = 53,601.78 × 25,424.20
  4. Step 4: Simplify right side
    38,859.40x = 1,362,782,375.08
  5. Step 5: Solve for x
    x = 1,362,782,375.08/38,859.40
  6. Step 6: Final answer
    x = 35,069.57

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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.