Home / 54,863.58-75,710.84-30,665.12

Finding the Fourth Proportional to 54,863.58, 75,710.84 and 30,665.12

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Solution

The fourth proportional to 54,863.58, 75,710.84 and 30,665.12 is: 42,317.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,863.58 : 75,710.84 = 30,665.12 : x
  2. Step 2: Convert to fraction form
    54,863.58/75,710.84 = 30,665.12/x
  3. Step 3: Cross multiply
    54,863.58x = 75,710.84 × 30,665.12
  4. Step 4: Simplify right side
    54,863.58x = 2,321,681,634.51
  5. Step 5: Solve for x
    x = 2,321,681,634.51/54,863.58
  6. Step 6: Final answer
    x = 42,317.35

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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.