Home / 31,294.11-46,940.34-9,113.61

Finding the Fourth Proportional to 31,294.11, 46,940.34 and 9,113.61

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Solution

The fourth proportional to 31,294.11, 46,940.34 and 9,113.61 is: 13,670.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,294.11 : 46,940.34 = 9,113.61 : x
  2. Step 2: Convert to fraction form
    31,294.11/46,940.34 = 9,113.61/x
  3. Step 3: Cross multiply
    31,294.11x = 46,940.34 × 9,113.61
  4. Step 4: Simplify right side
    31,294.11x = 427,795,952.03
  5. Step 5: Solve for x
    x = 427,795,952.03/31,294.11
  6. Step 6: Final answer
    x = 13,670.17

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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.