Home / 31,541.47-43,525.77-18,103.27

Finding the Fourth Proportional to 31,541.47, 43,525.77 and 18,103.27

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Solution

The fourth proportional to 31,541.47, 43,525.77 and 18,103.27 is: 24,981.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,541.47 : 43,525.77 = 18,103.27 : x
  2. Step 2: Convert to fraction form
    31,541.47/43,525.77 = 18,103.27/x
  3. Step 3: Cross multiply
    31,541.47x = 43,525.77 × 18,103.27
  4. Step 4: Simplify right side
    31,541.47x = 787,958,589.57
  5. Step 5: Solve for x
    x = 787,958,589.57/31,541.47
  6. Step 6: Final answer
    x = 24,981.67

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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.