Home / 40,161.18-55,420.92-23,166.12

Finding the Fourth Proportional to 40,161.18, 55,420.92 and 23,166.12

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Solution

The fourth proportional to 40,161.18, 55,420.92 and 23,166.12 is: 31,968.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,161.18 : 55,420.92 = 23,166.12 : x
  2. Step 2: Convert to fraction form
    40,161.18/55,420.92 = 23,166.12/x
  3. Step 3: Cross multiply
    40,161.18x = 55,420.92 × 23,166.12
  4. Step 4: Simplify right side
    40,161.18x = 1,283,887,683.23
  5. Step 5: Solve for x
    x = 1,283,887,683.23/40,161.18
  6. Step 6: Final answer
    x = 31,968.38

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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.