Home / 40,076.48-55,309.70-23,081.33

Finding the Fourth Proportional to 40,076.48, 55,309.70 and 23,081.33

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Solution

The fourth proportional to 40,076.48, 55,309.70 and 23,081.33 is: 31,854.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,076.48 : 55,309.70 = 23,081.33 : x
  2. Step 2: Convert to fraction form
    40,076.48/55,309.70 = 23,081.33/x
  3. Step 3: Cross multiply
    40,076.48x = 55,309.70 × 23,081.33
  4. Step 4: Simplify right side
    40,076.48x = 1,276,621,437.90
  5. Step 5: Solve for x
    x = 1,276,621,437.90/40,076.48
  6. Step 6: Final answer
    x = 31,854.63

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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.