Home / 40,387.23-55,739.62-23,166.33

Finding the Fourth Proportional to 40,387.23, 55,739.62 and 23,166.33

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Solution

The fourth proportional to 40,387.23, 55,739.62 and 23,166.33 is: 31,972.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,387.23 : 55,739.62 = 23,166.33 : x
  2. Step 2: Convert to fraction form
    40,387.23/55,739.62 = 23,166.33/x
  3. Step 3: Cross multiply
    40,387.23x = 55,739.62 × 23,166.33
  4. Step 4: Simplify right side
    40,387.23x = 1,291,282,342.54
  5. Step 5: Solve for x
    x = 1,291,282,342.54/40,387.23
  6. Step 6: Final answer
    x = 31,972.54

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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.