Home / 32,871.46-45,361.74-18,728.86

Finding the Fourth Proportional to 32,871.46, 45,361.74 and 18,728.86

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Solution

The fourth proportional to 32,871.46, 45,361.74 and 18,728.86 is: 25,845.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,871.46 : 45,361.74 = 18,728.86 : x
  2. Step 2: Convert to fraction form
    32,871.46/45,361.74 = 18,728.86/x
  3. Step 3: Cross multiply
    32,871.46x = 45,361.74 × 18,728.86
  4. Step 4: Simplify right side
    32,871.46x = 849,573,677.82
  5. Step 5: Solve for x
    x = 849,573,677.82/32,871.46
  6. Step 6: Final answer
    x = 25,845.33

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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.