Home / 40,018.31-55,224.51-22,112.93

Finding the Fourth Proportional to 40,018.31, 55,224.51 and 22,112.93

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Solution

The fourth proportional to 40,018.31, 55,224.51 and 22,112.93 is: 30,515.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,018.31 : 55,224.51 = 22,112.93 : x
  2. Step 2: Convert to fraction form
    40,018.31/55,224.51 = 22,112.93/x
  3. Step 3: Cross multiply
    40,018.31x = 55,224.51 × 22,112.93
  4. Step 4: Simplify right side
    40,018.31x = 1,221,175,447.79
  5. Step 5: Solve for x
    x = 1,221,175,447.79/40,018.31
  6. Step 6: Final answer
    x = 30,515.42

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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.