Home / 34,838.20-48,083.71-20,688.31

Finding the Fourth Proportional to 34,838.20, 48,083.71 and 20,688.31

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Solution

The fourth proportional to 34,838.20, 48,083.71 and 20,688.31 is: 28,554.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,838.20 : 48,083.71 = 20,688.31 : x
  2. Step 2: Convert to fraction form
    34,838.20/48,083.71 = 20,688.31/x
  3. Step 3: Cross multiply
    34,838.20x = 48,083.71 × 20,688.31
  4. Step 4: Simplify right side
    34,838.20x = 994,770,458.01
  5. Step 5: Solve for x
    x = 994,770,458.01/34,838.20
  6. Step 6: Final answer
    x = 28,554.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.