Home / 30,881.25-46,317.78-8,696.37

Finding the Fourth Proportional to 30,881.25, 46,317.78 and 8,696.37

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Solution

The fourth proportional to 30,881.25, 46,317.78 and 8,696.37 is: 13,043.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,881.25 : 46,317.78 = 8,696.37 : x
  2. Step 2: Convert to fraction form
    30,881.25/46,317.78 = 8,696.37/x
  3. Step 3: Cross multiply
    30,881.25x = 46,317.78 × 8,696.37
  4. Step 4: Simplify right side
    30,881.25x = 402,796,552.46
  5. Step 5: Solve for x
    x = 402,796,552.46/30,881.25
  6. Step 6: Final answer
    x = 13,043.40

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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.