Home / 40,311.55-55,628.74-23,083.34

Finding the Fourth Proportional to 40,311.55, 55,628.74 and 23,083.34

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Solution

The fourth proportional to 40,311.55, 55,628.74 and 23,083.34 is: 31,854.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,311.55 : 55,628.74 = 23,083.34 : x
  2. Step 2: Convert to fraction form
    40,311.55/55,628.74 = 23,083.34/x
  3. Step 3: Cross multiply
    40,311.55x = 55,628.74 × 23,083.34
  4. Step 4: Simplify right side
    40,311.55x = 1,284,097,119.19
  5. Step 5: Solve for x
    x = 1,284,097,119.19/40,311.55
  6. Step 6: Final answer
    x = 31,854.32

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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.