Home / 40,309.55-55,625.99-23,081.34

Finding the Fourth Proportional to 40,309.55, 55,625.99 and 23,081.34

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Solution

The fourth proportional to 40,309.55, 55,625.99 and 23,081.34 is: 31,851.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,309.55 : 55,625.99 = 23,081.34 : x
  2. Step 2: Convert to fraction form
    40,309.55/55,625.99 = 23,081.34/x
  3. Step 3: Cross multiply
    40,309.55x = 55,625.99 × 23,081.34
  4. Step 4: Simplify right side
    40,309.55x = 1,283,922,272.62
  5. Step 5: Solve for x
    x = 1,283,922,272.62/40,309.55
  6. Step 6: Final answer
    x = 31,851.57

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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.