Home / 40,986.78-61,468.02-17,607.75

Finding the Fourth Proportional to 40,986.78, 61,468.02 and 17,607.75

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Solution

The fourth proportional to 40,986.78, 61,468.02 and 17,607.75 is: 26,406.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,986.78 : 61,468.02 = 17,607.75 : x
  2. Step 2: Convert to fraction form
    40,986.78/61,468.02 = 17,607.75/x
  3. Step 3: Cross multiply
    40,986.78x = 61,468.02 × 17,607.75
  4. Step 4: Simplify right side
    40,986.78x = 1,082,313,529.16
  5. Step 5: Solve for x
    x = 1,082,313,529.16/40,986.78
  6. Step 6: Final answer
    x = 26,406.41

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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.