Home / 31,376.21-46,946.67-18,679.52

Finding the Fourth Proportional to 31,376.21, 46,946.67 and 18,679.52

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Solution

The fourth proportional to 31,376.21, 46,946.67 and 18,679.52 is: 27,949.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,376.21 : 46,946.67 = 18,679.52 : x
  2. Step 2: Convert to fraction form
    31,376.21/46,946.67 = 18,679.52/x
  3. Step 3: Cross multiply
    31,376.21x = 46,946.67 × 18,679.52
  4. Step 4: Simplify right side
    31,376.21x = 876,941,261.20
  5. Step 5: Solve for x
    x = 876,941,261.20/31,376.21
  6. Step 6: Final answer
    x = 27,949.25

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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.