Home / 49,135.36-73,731.61-20,670.22

Finding the Fourth Proportional to 49,135.36, 73,731.61 and 20,670.22

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Solution

The fourth proportional to 49,135.36, 73,731.61 and 20,670.22 is: 31,017.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,135.36 : 73,731.61 = 20,670.22 : x
  2. Step 2: Convert to fraction form
    49,135.36/73,731.61 = 20,670.22/x
  3. Step 3: Cross multiply
    49,135.36x = 73,731.61 × 20,670.22
  4. Step 4: Simplify right side
    49,135.36x = 1,524,048,599.65
  5. Step 5: Solve for x
    x = 1,524,048,599.65/49,135.36
  6. Step 6: Final answer
    x = 31,017.35

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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.