Home / 38,429.10-57,643.65-37,845.90

Finding the Fourth Proportional to 38,429.10, 57,643.65 and 37,845.90

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Solution

The fourth proportional to 38,429.10, 57,643.65 and 37,845.90 is: 56,768.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,429.10 : 57,643.65 = 37,845.90 : x
  2. Step 2: Convert to fraction form
    38,429.10/57,643.65 = 37,845.90/x
  3. Step 3: Cross multiply
    38,429.10x = 57,643.65 × 37,845.90
  4. Step 4: Simplify right side
    38,429.10x = 2,181,575,813.54
  5. Step 5: Solve for x
    x = 2,181,575,813.54/38,429.10
  6. Step 6: Final answer
    x = 56,768.85

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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.