Home / 31,078.62-46,617.68-18,602.10

Finding the Fourth Proportional to 31,078.62, 46,617.68 and 18,602.10

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Solution

The fourth proportional to 31,078.62, 46,617.68 and 18,602.10 is: 27,903.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,078.62 : 46,617.68 = 18,602.10 : x
  2. Step 2: Convert to fraction form
    31,078.62/46,617.68 = 18,602.10/x
  3. Step 3: Cross multiply
    31,078.62x = 46,617.68 × 18,602.10
  4. Step 4: Simplify right side
    31,078.62x = 867,186,745.13
  5. Step 5: Solve for x
    x = 867,186,745.13/31,078.62
  6. Step 6: Final answer
    x = 27,903.00

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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.