Home / 40,303.36-55,616.93-22,399.47

Finding the Fourth Proportional to 40,303.36, 55,616.93 and 22,399.47

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Solution

The fourth proportional to 40,303.36, 55,616.93 and 22,399.47 is: 30,910.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,303.36 : 55,616.93 = 22,399.47 : x
  2. Step 2: Convert to fraction form
    40,303.36/55,616.93 = 22,399.47/x
  3. Step 3: Cross multiply
    40,303.36x = 55,616.93 × 22,399.47
  4. Step 4: Simplify right side
    40,303.36x = 1,245,789,643.03
  5. Step 5: Solve for x
    x = 1,245,789,643.03/40,303.36
  6. Step 6: Final answer
    x = 30,910.32

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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.