Home / 31,291.52-46,936.74-10,515.02

Finding the Fourth Proportional to 31,291.52, 46,936.74 and 10,515.02

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Solution

The fourth proportional to 31,291.52, 46,936.74 and 10,515.02 is: 15,772.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,291.52 : 46,936.74 = 10,515.02 : x
  2. Step 2: Convert to fraction form
    31,291.52/46,936.74 = 10,515.02/x
  3. Step 3: Cross multiply
    31,291.52x = 46,936.74 × 10,515.02
  4. Step 4: Simplify right side
    31,291.52x = 493,540,759.83
  5. Step 5: Solve for x
    x = 493,540,759.83/31,291.52
  6. Step 6: Final answer
    x = 15,772.35

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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.