Home / 38,102.32-57,158.34-11,808.64

Finding the Fourth Proportional to 38,102.32, 57,158.34 and 11,808.64

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Solution

The fourth proportional to 38,102.32, 57,158.34 and 11,808.64 is: 17,714.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,102.32 : 57,158.34 = 11,808.64 : x
  2. Step 2: Convert to fraction form
    38,102.32/57,158.34 = 11,808.64/x
  3. Step 3: Cross multiply
    38,102.32x = 57,158.34 × 11,808.64
  4. Step 4: Simplify right side
    38,102.32x = 674,962,260.06
  5. Step 5: Solve for x
    x = 674,962,260.06/38,102.32
  6. Step 6: Final answer
    x = 17,714.47

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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.