Home / 40,144.77-55,396.53-22,240.53

Finding the Fourth Proportional to 40,144.77, 55,396.53 and 22,240.53

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Solution

The fourth proportional to 40,144.77, 55,396.53 and 22,240.53 is: 30,690.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,144.77 : 55,396.53 = 22,240.53 : x
  2. Step 2: Convert to fraction form
    40,144.77/55,396.53 = 22,240.53/x
  3. Step 3: Cross multiply
    40,144.77x = 55,396.53 × 22,240.53
  4. Step 4: Simplify right side
    40,144.77x = 1,232,048,187.36
  5. Step 5: Solve for x
    x = 1,232,048,187.36/40,144.77
  6. Step 6: Final answer
    x = 30,690.13

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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.