Home / 40,317.94-55,638.25-22,412.49

Finding the Fourth Proportional to 40,317.94, 55,638.25 and 22,412.49

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Solution

The fourth proportional to 40,317.94, 55,638.25 and 22,412.49 is: 30,928.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,317.94 : 55,638.25 = 22,412.49 : x
  2. Step 2: Convert to fraction form
    40,317.94/55,638.25 = 22,412.49/x
  3. Step 3: Cross multiply
    40,317.94x = 55,638.25 × 22,412.49
  4. Step 4: Simplify right side
    40,317.94x = 1,246,991,721.74
  5. Step 5: Solve for x
    x = 1,246,991,721.74/40,317.94
  6. Step 6: Final answer
    x = 30,928.95

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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.