Home / 31,880.41-43,996.58-18,452.23

Finding the Fourth Proportional to 31,880.41, 43,996.58 and 18,452.23

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Solution

The fourth proportional to 31,880.41, 43,996.58 and 18,452.23 is: 25,465.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,880.41 : 43,996.58 = 18,452.23 : x
  2. Step 2: Convert to fraction form
    31,880.41/43,996.58 = 18,452.23/x
  3. Step 3: Cross multiply
    31,880.41x = 43,996.58 × 18,452.23
  4. Step 4: Simplify right side
    31,880.41x = 811,835,013.37
  5. Step 5: Solve for x
    x = 811,835,013.37/31,880.41
  6. Step 6: Final answer
    x = 25,465.01

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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.