Home / 30,955.82-46,419.55-9,891.77

Finding the Fourth Proportional to 30,955.82, 46,419.55 and 9,891.77

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Solution

The fourth proportional to 30,955.82, 46,419.55 and 9,891.77 is: 14,833.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,955.82 : 46,419.55 = 9,891.77 : x
  2. Step 2: Convert to fraction form
    30,955.82/46,419.55 = 9,891.77/x
  3. Step 3: Cross multiply
    30,955.82x = 46,419.55 × 9,891.77
  4. Step 4: Simplify right side
    30,955.82x = 459,171,255.28
  5. Step 5: Solve for x
    x = 459,171,255.28/30,955.82
  6. Step 6: Final answer
    x = 14,833.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.