Home / 29,690.48-40,977.36-16,943.60

Finding the Fourth Proportional to 29,690.48, 40,977.36 and 16,943.60

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Solution

The fourth proportional to 29,690.48, 40,977.36 and 16,943.60 is: 23,384.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,690.48 : 40,977.36 = 16,943.60 : x
  2. Step 2: Convert to fraction form
    29,690.48/40,977.36 = 16,943.60/x
  3. Step 3: Cross multiply
    29,690.48x = 40,977.36 × 16,943.60
  4. Step 4: Simplify right side
    29,690.48x = 694,303,996.90
  5. Step 5: Solve for x
    x = 694,303,996.90/29,690.48
  6. Step 6: Final answer
    x = 23,384.73

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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.