Home / 40,012.77-55,216.97-22,109.44

Finding the Fourth Proportional to 40,012.77, 55,216.97 and 22,109.44

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Solution

The fourth proportional to 40,012.77, 55,216.97 and 22,109.44 is: 30,510.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,012.77 : 55,216.97 = 22,109.44 : x
  2. Step 2: Convert to fraction form
    40,012.77/55,216.97 = 22,109.44/x
  3. Step 3: Cross multiply
    40,012.77x = 55,216.97 × 22,109.44
  4. Step 4: Simplify right side
    40,012.77x = 1,220,816,285.20
  5. Step 5: Solve for x
    x = 1,220,816,285.20/40,012.77
  6. Step 6: Final answer
    x = 30,510.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.