Home / 49,364.99-73,980.38-20,878.26

Finding the Fourth Proportional to 49,364.99, 73,980.38 and 20,878.26

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Solution

The fourth proportional to 49,364.99, 73,980.38 and 20,878.26 is: 31,289.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,364.99 : 73,980.38 = 20,878.26 : x
  2. Step 2: Convert to fraction form
    49,364.99/73,980.38 = 20,878.26/x
  3. Step 3: Cross multiply
    49,364.99x = 73,980.38 × 20,878.26
  4. Step 4: Simplify right side
    49,364.99x = 1,544,581,608.54
  5. Step 5: Solve for x
    x = 1,544,581,608.54/49,364.99
  6. Step 6: Final answer
    x = 31,289.01

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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.