Home / 38,102.16-57,157.29-11,808.96

Finding the Fourth Proportional to 38,102.16, 57,157.29 and 11,808.96

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Solution

The fourth proportional to 38,102.16, 57,157.29 and 11,808.96 is: 17,714.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,102.16 : 57,157.29 = 11,808.96 : x
  2. Step 2: Convert to fraction form
    38,102.16/57,157.29 = 11,808.96/x
  3. Step 3: Cross multiply
    38,102.16x = 57,157.29 × 11,808.96
  4. Step 4: Simplify right side
    38,102.16x = 674,968,151.32
  5. Step 5: Solve for x
    x = 674,968,151.32/38,102.16
  6. Step 6: Final answer
    x = 17,714.70

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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.