Home / 31,304.49-46,956.81-9,118.41

Finding the Fourth Proportional to 31,304.49, 46,956.81 and 9,118.41

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Solution

The fourth proportional to 31,304.49, 46,956.81 and 9,118.41 is: 13,677.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,304.49 : 46,956.81 = 9,118.41 : x
  2. Step 2: Convert to fraction form
    31,304.49/46,956.81 = 9,118.41/x
  3. Step 3: Cross multiply
    31,304.49x = 46,956.81 × 9,118.41
  4. Step 4: Simplify right side
    31,304.49x = 428,171,445.87
  5. Step 5: Solve for x
    x = 428,171,445.87/31,304.49
  6. Step 6: Final answer
    x = 13,677.64

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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.