Home / 40,212.48-55,499.88-22,313.25

Finding the Fourth Proportional to 40,212.48, 55,499.88 and 22,313.25

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Solution

The fourth proportional to 40,212.48, 55,499.88 and 22,313.25 is: 30,795.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,212.48 : 55,499.88 = 22,313.25 : x
  2. Step 2: Convert to fraction form
    40,212.48/55,499.88 = 22,313.25/x
  3. Step 3: Cross multiply
    40,212.48x = 55,499.88 × 22,313.25
  4. Step 4: Simplify right side
    40,212.48x = 1,238,382,585.84
  5. Step 5: Solve for x
    x = 1,238,382,585.84/40,212.48
  6. Step 6: Final answer
    x = 30,795.98

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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.