Home / 40,039.74-55,251.23-23,039.46

Finding the Fourth Proportional to 40,039.74, 55,251.23 and 23,039.46

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Solution

The fourth proportional to 40,039.74, 55,251.23 and 23,039.46 is: 31,792.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,039.74 : 55,251.23 = 23,039.46 : x
  2. Step 2: Convert to fraction form
    40,039.74/55,251.23 = 23,039.46/x
  3. Step 3: Cross multiply
    40,039.74x = 55,251.23 × 23,039.46
  4. Step 4: Simplify right side
    40,039.74x = 1,272,958,388.34
  5. Step 5: Solve for x
    x = 1,272,958,388.34/40,039.74
  6. Step 6: Final answer
    x = 31,792.37

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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.