Home / 32,121.56-44,317.04-18,689.96

Finding the Fourth Proportional to 32,121.56, 44,317.04 and 18,689.96

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Solution

The fourth proportional to 32,121.56, 44,317.04 and 18,689.96 is: 25,785.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,121.56 : 44,317.04 = 18,689.96 : x
  2. Step 2: Convert to fraction form
    32,121.56/44,317.04 = 18,689.96/x
  3. Step 3: Cross multiply
    32,121.56x = 44,317.04 × 18,689.96
  4. Step 4: Simplify right side
    32,121.56x = 828,283,704.92
  5. Step 5: Solve for x
    x = 828,283,704.92/32,121.56
  6. Step 6: Final answer
    x = 25,785.91

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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.