Home / 31,361.22-43,264.35-18,614.93

Finding the Fourth Proportional to 31,361.22, 43,264.35 and 18,614.93

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Solution

The fourth proportional to 31,361.22, 43,264.35 and 18,614.93 is: 25,680.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,361.22 : 43,264.35 = 18,614.93 : x
  2. Step 2: Convert to fraction form
    31,361.22/43,264.35 = 18,614.93/x
  3. Step 3: Cross multiply
    31,361.22x = 43,264.35 × 18,614.93
  4. Step 4: Simplify right side
    31,361.22x = 805,362,630.42
  5. Step 5: Solve for x
    x = 805,362,630.42/31,361.22
  6. Step 6: Final answer
    x = 25,680.21

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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.