Home / 38,228.80-57,181.20-34,308.40

Finding the Fourth Proportional to 38,228.80, 57,181.20 and 34,308.40

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Solution

The fourth proportional to 38,228.80, 57,181.20 and 34,308.40 is: 51,317.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,228.80 : 57,181.20 = 34,308.40 : x
  2. Step 2: Convert to fraction form
    38,228.80/57,181.20 = 34,308.40/x
  3. Step 3: Cross multiply
    38,228.80x = 57,181.20 × 34,308.40
  4. Step 4: Simplify right side
    38,228.80x = 1,961,795,482.08
  5. Step 5: Solve for x
    x = 1,961,795,482.08/38,228.80
  6. Step 6: Final answer
    x = 51,317.21

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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.