Home / 49,515.60-74,339.32-28,754

Finding the Fourth Proportional to 49,515.60, 74,339.32 and 28,754

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Solution

The fourth proportional to 49,515.60, 74,339.32 and 28,754 is: 43,169.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,515.60 : 74,339.32 = 28,754 : x
  2. Step 2: Convert to fraction form
    49,515.60/74,339.32 = 28,754/x
  3. Step 3: Cross multiply
    49,515.60x = 74,339.32 × 28,754
  4. Step 4: Simplify right side
    49,515.60x = 2,137,552,807.28
  5. Step 5: Solve for x
    x = 2,137,552,807.28/49,515.60
  6. Step 6: Final answer
    x = 43,169.28

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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.