Home / 31,509.41-43,483.97-18,083.12

Finding the Fourth Proportional to 31,509.41, 43,483.97 and 18,083.12

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Solution

The fourth proportional to 31,509.41, 43,483.97 and 18,083.12 is: 24,955.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,509.41 : 43,483.97 = 18,083.12 : x
  2. Step 2: Convert to fraction form
    31,509.41/43,483.97 = 18,083.12/x
  3. Step 3: Cross multiply
    31,509.41x = 43,483.97 × 18,083.12
  4. Step 4: Simplify right side
    31,509.41x = 786,325,675.37
  5. Step 5: Solve for x
    x = 786,325,675.37/31,509.41
  6. Step 6: Final answer
    x = 24,955.27

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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.