Home / 40,798.98-61,156.37-17,120.28

Finding the Fourth Proportional to 40,798.98, 61,156.37 and 17,120.28

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Solution

The fourth proportional to 40,798.98, 61,156.37 and 17,120.28 is: 25,662.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,798.98 : 61,156.37 = 17,120.28 : x
  2. Step 2: Convert to fraction form
    40,798.98/61,156.37 = 17,120.28/x
  3. Step 3: Cross multiply
    40,798.98x = 61,156.37 × 17,120.28
  4. Step 4: Simplify right side
    40,798.98x = 1,047,014,042.12
  5. Step 5: Solve for x
    x = 1,047,014,042.12/40,798.98
  6. Step 6: Final answer
    x = 25,662.75

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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.