Home / 31,139.80-46,708.38-14,494.10

Finding the Fourth Proportional to 31,139.80, 46,708.38 and 14,494.10

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Solution

The fourth proportional to 31,139.80, 46,708.38 and 14,494.10 is: 21,740.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,139.80 : 46,708.38 = 14,494.10 : x
  2. Step 2: Convert to fraction form
    31,139.80/46,708.38 = 14,494.10/x
  3. Step 3: Cross multiply
    31,139.80x = 46,708.38 × 14,494.10
  4. Step 4: Simplify right side
    31,139.80x = 676,995,930.56
  5. Step 5: Solve for x
    x = 676,995,930.56/31,139.80
  6. Step 6: Final answer
    x = 21,740.54

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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.