Home / 40,105.87-55,345.44-22,200.48

Finding the Fourth Proportional to 40,105.87, 55,345.44 and 22,200.48

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Solution

The fourth proportional to 40,105.87, 55,345.44 and 22,200.48 is: 30,636.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,105.87 : 55,345.44 = 22,200.48 : x
  2. Step 2: Convert to fraction form
    40,105.87/55,345.44 = 22,200.48/x
  3. Step 3: Cross multiply
    40,105.87x = 55,345.44 × 22,200.48
  4. Step 4: Simplify right side
    40,105.87x = 1,228,695,417.06
  5. Step 5: Solve for x
    x = 1,228,695,417.06/40,105.87
  6. Step 6: Final answer
    x = 30,636.30

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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.