Home / 54,364.32-75,021.84-30,490.48

Finding the Fourth Proportional to 54,364.32, 75,021.84 and 30,490.48

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Solution

The fourth proportional to 54,364.32, 75,021.84 and 30,490.48 is: 42,076.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,364.32 : 75,021.84 = 30,490.48 : x
  2. Step 2: Convert to fraction form
    54,364.32/75,021.84 = 30,490.48/x
  3. Step 3: Cross multiply
    54,364.32x = 75,021.84 × 30,490.48
  4. Step 4: Simplify right side
    54,364.32x = 2,287,451,912.08
  5. Step 5: Solve for x
    x = 2,287,451,912.08/54,364.32
  6. Step 6: Final answer
    x = 42,076.35

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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.