Home / 31,639.68-43,622.24-25,953.60

Finding the Fourth Proportional to 31,639.68, 43,622.24 and 25,953.60

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Solution

The fourth proportional to 31,639.68, 43,622.24 and 25,953.60 is: 35,782.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,639.68 : 43,622.24 = 25,953.60 : x
  2. Step 2: Convert to fraction form
    31,639.68/43,622.24 = 25,953.60/x
  3. Step 3: Cross multiply
    31,639.68x = 43,622.24 × 25,953.60
  4. Step 4: Simplify right side
    31,639.68x = 1,132,154,168.06
  5. Step 5: Solve for x
    x = 1,132,154,168.06/31,639.68
  6. Step 6: Final answer
    x = 35,782.73

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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.