Home / 40,266.08-55,569.69-22,361.21

Finding the Fourth Proportional to 40,266.08, 55,569.69 and 22,361.21

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Solution

The fourth proportional to 40,266.08, 55,569.69 and 22,361.21 is: 30,859.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,266.08 : 55,569.69 = 22,361.21 : x
  2. Step 2: Convert to fraction form
    40,266.08/55,569.69 = 22,361.21/x
  3. Step 3: Cross multiply
    40,266.08x = 55,569.69 × 22,361.21
  4. Step 4: Simplify right side
    40,266.08x = 1,242,605,395.92
  5. Step 5: Solve for x
    x = 1,242,605,395.92/40,266.08
  6. Step 6: Final answer
    x = 30,859.86

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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.