Home / 32,785.91-45,243.21-19,361.48

Finding the Fourth Proportional to 32,785.91, 45,243.21 and 19,361.48

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Solution

The fourth proportional to 32,785.91, 45,243.21 and 19,361.48 is: 26,718.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,785.91 : 45,243.21 = 19,361.48 : x
  2. Step 2: Convert to fraction form
    32,785.91/45,243.21 = 19,361.48/x
  3. Step 3: Cross multiply
    32,785.91x = 45,243.21 × 19,361.48
  4. Step 4: Simplify right side
    32,785.91x = 875,975,279.33
  5. Step 5: Solve for x
    x = 875,975,279.33/32,785.91
  6. Step 6: Final answer
    x = 26,718.04

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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.