Home / 40,424.54-55,784.75-22,518.45

Finding the Fourth Proportional to 40,424.54, 55,784.75 and 22,518.45

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Solution

The fourth proportional to 40,424.54, 55,784.75 and 22,518.45 is: 31,074.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,424.54 : 55,784.75 = 22,518.45 : x
  2. Step 2: Convert to fraction form
    40,424.54/55,784.75 = 22,518.45/x
  3. Step 3: Cross multiply
    40,424.54x = 55,784.75 × 22,518.45
  4. Step 4: Simplify right side
    40,424.54x = 1,256,185,991.05
  5. Step 5: Solve for x
    x = 1,256,185,991.05/40,424.54
  6. Step 6: Final answer
    x = 31,074.84

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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.