Home / 40,392.09-55,750.28-26,220.33

Finding the Fourth Proportional to 40,392.09, 55,750.28 and 26,220.33

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Solution

The fourth proportional to 40,392.09, 55,750.28 and 26,220.33 is: 36,190.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,392.09 : 55,750.28 = 26,220.33 : x
  2. Step 2: Convert to fraction form
    40,392.09/55,750.28 = 26,220.33/x
  3. Step 3: Cross multiply
    40,392.09x = 55,750.28 × 26,220.33
  4. Step 4: Simplify right side
    40,392.09x = 1,461,790,608.09
  5. Step 5: Solve for x
    x = 1,461,790,608.09/40,392.09
  6. Step 6: Final answer
    x = 36,190.02

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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.