Home / 40,456.54-55,829.21-22,550.48

Finding the Fourth Proportional to 40,456.54, 55,829.21 and 22,550.48

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Solution

The fourth proportional to 40,456.54, 55,829.21 and 22,550.48 is: 31,119.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,456.54 : 55,829.21 = 22,550.48 : x
  2. Step 2: Convert to fraction form
    40,456.54/55,829.21 = 22,550.48/x
  3. Step 3: Cross multiply
    40,456.54x = 55,829.21 × 22,550.48
  4. Step 4: Simplify right side
    40,456.54x = 1,258,975,483.52
  5. Step 5: Solve for x
    x = 1,258,975,483.52/40,456.54
  6. Step 6: Final answer
    x = 31,119.21

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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.