Home / 38,495.80-57,765.30-16,305.40

Finding the Fourth Proportional to 38,495.80, 57,765.30 and 16,305.40

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Solution

The fourth proportional to 38,495.80, 57,765.30 and 16,305.40 is: 24,467.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,495.80 : 57,765.30 = 16,305.40 : x
  2. Step 2: Convert to fraction form
    38,495.80/57,765.30 = 16,305.40/x
  3. Step 3: Cross multiply
    38,495.80x = 57,765.30 × 16,305.40
  4. Step 4: Simplify right side
    38,495.80x = 941,886,322.62
  5. Step 5: Solve for x
    x = 941,886,322.62/38,495.80
  6. Step 6: Final answer
    x = 24,467.25

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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.