Home / 31,274.78-46,922.97-19,574.06

Finding the Fourth Proportional to 31,274.78, 46,922.97 and 19,574.06

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Solution

The fourth proportional to 31,274.78, 46,922.97 and 19,574.06 is: 29,367.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,274.78 : 46,922.97 = 19,574.06 : x
  2. Step 2: Convert to fraction form
    31,274.78/46,922.97 = 19,574.06/x
  3. Step 3: Cross multiply
    31,274.78x = 46,922.97 × 19,574.06
  4. Step 4: Simplify right side
    31,274.78x = 918,473,030.16
  5. Step 5: Solve for x
    x = 918,473,030.16/31,274.78
  6. Step 6: Final answer
    x = 29,367.85

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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.