Home / 33,140.40-49,710.60-8,516.40

Finding the Fourth Proportional to 33,140.40, 49,710.60 and 8,516.40

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Solution

The fourth proportional to 33,140.40, 49,710.60 and 8,516.40 is: 12,774.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,140.40 : 49,710.60 = 8,516.40 : x
  2. Step 2: Convert to fraction form
    33,140.40/49,710.60 = 8,516.40/x
  3. Step 3: Cross multiply
    33,140.40x = 49,710.60 × 8,516.40
  4. Step 4: Simplify right side
    33,140.40x = 423,355,353.84
  5. Step 5: Solve for x
    x = 423,355,353.84/33,140.40
  6. Step 6: Final answer
    x = 12,774.60

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1.5x scale

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.