Home / 31,135.13-46,697.69-8,943.46

Finding the Fourth Proportional to 31,135.13, 46,697.69 and 8,943.46

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Solution

The fourth proportional to 31,135.13, 46,697.69 and 8,943.46 is: 13,413.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,135.13 : 46,697.69 = 8,943.46 : x
  2. Step 2: Convert to fraction form
    31,135.13/46,697.69 = 8,943.46/x
  3. Step 3: Cross multiply
    31,135.13x = 46,697.69 × 8,943.46
  4. Step 4: Simplify right side
    31,135.13x = 417,639,065.74
  5. Step 5: Solve for x
    x = 417,639,065.74/31,135.13
  6. Step 6: Final answer
    x = 13,413.76

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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.