Home / 40,362.30-55,629.99-38,029.50

Finding the Fourth Proportional to 40,362.30, 55,629.99 and 38,029.50

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Solution

The fourth proportional to 40,362.30, 55,629.99 and 38,029.50 is: 52,414.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,362.30 : 55,629.99 = 38,029.50 : x
  2. Step 2: Convert to fraction form
    40,362.30/55,629.99 = 38,029.50/x
  3. Step 3: Cross multiply
    40,362.30x = 55,629.99 × 38,029.50
  4. Step 4: Simplify right side
    40,362.30x = 2,115,580,704.71
  5. Step 5: Solve for x
    x = 2,115,580,704.71/40,362.30
  6. Step 6: Final answer
    x = 52,414.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.