Home / 49,650.74-68,516.51-28,428.60

Finding the Fourth Proportional to 49,650.74, 68,516.51 and 28,428.60

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Solution

The fourth proportional to 49,650.74, 68,516.51 and 28,428.60 is: 39,230.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,650.74 : 68,516.51 = 28,428.60 : x
  2. Step 2: Convert to fraction form
    49,650.74/68,516.51 = 28,428.60/x
  3. Step 3: Cross multiply
    49,650.74x = 68,516.51 × 28,428.60
  4. Step 4: Simplify right side
    49,650.74x = 1,947,828,314.04
  5. Step 5: Solve for x
    x = 1,947,828,314.04/49,650.74
  6. Step 6: Final answer
    x = 39,230.60

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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.