Home / 54,796.51-75,619.20-30,928.24

Finding the Fourth Proportional to 54,796.51, 75,619.20 and 30,928.24

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Solution

The fourth proportional to 54,796.51, 75,619.20 and 30,928.24 is: 42,680.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,796.51 : 75,619.20 = 30,928.24 : x
  2. Step 2: Convert to fraction form
    54,796.51/75,619.20 = 30,928.24/x
  3. Step 3: Cross multiply
    54,796.51x = 75,619.20 × 30,928.24
  4. Step 4: Simplify right side
    54,796.51x = 2,338,768,766.21
  5. Step 5: Solve for x
    x = 2,338,768,766.21/54,796.51
  6. Step 6: Final answer
    x = 42,680.98

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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.