Home / 40,222.60-55,507.19-22,317.59

Finding the Fourth Proportional to 40,222.60, 55,507.19 and 22,317.59

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Solution

The fourth proportional to 40,222.60, 55,507.19 and 22,317.59 is: 30,798.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,222.60 : 55,507.19 = 22,317.59 : x
  2. Step 2: Convert to fraction form
    40,222.60/55,507.19 = 22,317.59/x
  3. Step 3: Cross multiply
    40,222.60x = 55,507.19 × 22,317.59
  4. Step 4: Simplify right side
    40,222.60x = 1,238,786,735.65
  5. Step 5: Solve for x
    x = 1,238,786,735.65/40,222.60
  6. Step 6: Final answer
    x = 30,798.28

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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.