Home / 38,152.32-57,231.36-11,855.04

Finding the Fourth Proportional to 38,152.32, 57,231.36 and 11,855.04

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Solution

The fourth proportional to 38,152.32, 57,231.36 and 11,855.04 is: 17,783.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,152.32 : 57,231.36 = 11,855.04 : x
  2. Step 2: Convert to fraction form
    38,152.32/57,231.36 = 11,855.04/x
  3. Step 3: Cross multiply
    38,152.32x = 57,231.36 × 11,855.04
  4. Step 4: Simplify right side
    38,152.32x = 678,480,062.05
  5. Step 5: Solve for x
    x = 678,480,062.05/38,152.32
  6. Step 6: Final answer
    x = 17,783.45

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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.