Home / 31,137.89-46,706.52-14,266.11

Finding the Fourth Proportional to 31,137.89, 46,706.52 and 14,266.11

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Solution

The fourth proportional to 31,137.89, 46,706.52 and 14,266.11 is: 21,399.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,137.89 : 46,706.52 = 14,266.11 : x
  2. Step 2: Convert to fraction form
    31,137.89/46,706.52 = 14,266.11/x
  3. Step 3: Cross multiply
    31,137.89x = 46,706.52 × 14,266.11
  4. Step 4: Simplify right side
    31,137.89x = 666,320,352.04
  5. Step 5: Solve for x
    x = 666,320,352.04/31,137.89
  6. Step 6: Final answer
    x = 21,399.02

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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.