Home / 40,126.64-55,361.16-23,130.36

Finding the Fourth Proportional to 40,126.64, 55,361.16 and 23,130.36

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Solution

The fourth proportional to 40,126.64, 55,361.16 and 23,130.36 is: 31,912.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,126.64 : 55,361.16 = 23,130.36 : x
  2. Step 2: Convert to fraction form
    40,126.64/55,361.16 = 23,130.36/x
  3. Step 3: Cross multiply
    40,126.64x = 55,361.16 × 23,130.36
  4. Step 4: Simplify right side
    40,126.64x = 1,280,523,560.82
  5. Step 5: Solve for x
    x = 1,280,523,560.82/40,126.64
  6. Step 6: Final answer
    x = 31,912.06

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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.