Home / 54,921.09-75,792.90-30,392.19

Finding the Fourth Proportional to 54,921.09, 75,792.90 and 30,392.19

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Solution

The fourth proportional to 54,921.09, 75,792.90 and 30,392.19 is: 41,942.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,921.09 : 75,792.90 = 30,392.19 : x
  2. Step 2: Convert to fraction form
    54,921.09/75,792.90 = 30,392.19/x
  3. Step 3: Cross multiply
    54,921.09x = 75,792.90 × 30,392.19
  4. Step 4: Simplify right side
    54,921.09x = 2,303,512,217.45
  5. Step 5: Solve for x
    x = 2,303,512,217.45/54,921.09
  6. Step 6: Final answer
    x = 41,942.22

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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.