Home / 30,054.80-41,356.04-29,141.72

Finding the Fourth Proportional to 30,054.80, 41,356.04 and 29,141.72

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Solution

The fourth proportional to 30,054.80, 41,356.04 and 29,141.72 is: 40,099.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,054.80 : 41,356.04 = 29,141.72 : x
  2. Step 2: Convert to fraction form
    30,054.80/41,356.04 = 29,141.72/x
  3. Step 3: Cross multiply
    30,054.80x = 41,356.04 × 29,141.72
  4. Step 4: Simplify right side
    30,054.80x = 1,205,186,137.99
  5. Step 5: Solve for x
    x = 1,205,186,137.99/30,054.80
  6. Step 6: Final answer
    x = 40,099.62

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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.