Home / 38,326.66-57,490.62-12,031.64

Finding the Fourth Proportional to 38,326.66, 57,490.62 and 12,031.64

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Solution

The fourth proportional to 38,326.66, 57,490.62 and 12,031.64 is: 18,047.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,326.66 : 57,490.62 = 12,031.64 : x
  2. Step 2: Convert to fraction form
    38,326.66/57,490.62 = 12,031.64/x
  3. Step 3: Cross multiply
    38,326.66x = 57,490.62 × 12,031.64
  4. Step 4: Simplify right side
    38,326.66x = 691,706,443.22
  5. Step 5: Solve for x
    x = 691,706,443.22/38,326.66
  6. Step 6: Final answer
    x = 18,047.66

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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.