Home / 54,481.63-75,180.61-30,612.28

Finding the Fourth Proportional to 54,481.63, 75,180.61 and 30,612.28

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Solution

The fourth proportional to 54,481.63, 75,180.61 and 30,612.28 is: 42,242.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,481.63 : 75,180.61 = 30,612.28 : x
  2. Step 2: Convert to fraction form
    54,481.63/75,180.61 = 30,612.28/x
  3. Step 3: Cross multiply
    54,481.63x = 75,180.61 × 30,612.28
  4. Step 4: Simplify right side
    54,481.63x = 2,301,449,883.89
  5. Step 5: Solve for x
    x = 2,301,449,883.89/54,481.63
  6. Step 6: Final answer
    x = 42,242.68

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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.