Home / 49,011.19-73,485.19-20,949.55

Finding the Fourth Proportional to 49,011.19, 73,485.19 and 20,949.55

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Solution

The fourth proportional to 49,011.19, 73,485.19 and 20,949.55 is: 31,410.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,011.19 : 73,485.19 = 20,949.55 : x
  2. Step 2: Convert to fraction form
    49,011.19/73,485.19 = 20,949.55/x
  3. Step 3: Cross multiply
    49,011.19x = 73,485.19 × 20,949.55
  4. Step 4: Simplify right side
    49,011.19x = 1,539,481,662.16
  5. Step 5: Solve for x
    x = 1,539,481,662.16/49,011.19
  6. Step 6: Final answer
    x = 31,410.82

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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.