Home / 54,182.64-74,786.52-50,878.32

Finding the Fourth Proportional to 54,182.64, 74,786.52 and 50,878.32

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Solution

The fourth proportional to 54,182.64, 74,786.52 and 50,878.32 is: 70,225.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,182.64 : 74,786.52 = 50,878.32 : x
  2. Step 2: Convert to fraction form
    54,182.64/74,786.52 = 50,878.32/x
  3. Step 3: Cross multiply
    54,182.64x = 74,786.52 × 50,878.32
  4. Step 4: Simplify right side
    54,182.64x = 3,805,012,496.25
  5. Step 5: Solve for x
    x = 3,805,012,496.25/54,182.64
  6. Step 6: Final answer
    x = 70,225.68

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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.