Home / 49,219.40-73,829.10-28,418.60

Finding the Fourth Proportional to 49,219.40, 73,829.10 and 28,418.60

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Solution

The fourth proportional to 49,219.40, 73,829.10 and 28,418.60 is: 42,627.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,219.40 : 73,829.10 = 28,418.60 : x
  2. Step 2: Convert to fraction form
    49,219.40/73,829.10 = 28,418.60/x
  3. Step 3: Cross multiply
    49,219.40x = 73,829.10 × 28,418.60
  4. Step 4: Simplify right side
    49,219.40x = 2,098,119,661.26
  5. Step 5: Solve for x
    x = 2,098,119,661.26/49,219.40
  6. Step 6: Final answer
    x = 42,627.90

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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.