Home / 38,172.16-57,258.24-10,472.32

Finding the Fourth Proportional to 38,172.16, 57,258.24 and 10,472.32

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Solution

The fourth proportional to 38,172.16, 57,258.24 and 10,472.32 is: 15,708.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,172.16 : 57,258.24 = 10,472.32 : x
  2. Step 2: Convert to fraction form
    38,172.16/57,258.24 = 10,472.32/x
  3. Step 3: Cross multiply
    38,172.16x = 57,258.24 × 10,472.32
  4. Step 4: Simplify right side
    38,172.16x = 599,626,611.92
  5. Step 5: Solve for x
    x = 599,626,611.92/38,172.16
  6. Step 6: Final answer
    x = 15,708.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.