Home / 39,372.60-58,879.35-29,384.40

Finding the Fourth Proportional to 39,372.60, 58,879.35 and 29,384.40

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Solution

The fourth proportional to 39,372.60, 58,879.35 and 29,384.40 is: 43,942.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,372.60 : 58,879.35 = 29,384.40 : x
  2. Step 2: Convert to fraction form
    39,372.60/58,879.35 = 29,384.40/x
  3. Step 3: Cross multiply
    39,372.60x = 58,879.35 × 29,384.40
  4. Step 4: Simplify right side
    39,372.60x = 1,730,134,372.14
  5. Step 5: Solve for x
    x = 1,730,134,372.14/39,372.60
  6. Step 6: Final answer
    x = 43,942.60

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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.