Home / 30,819.04-46,254.80-12,112.16

Finding the Fourth Proportional to 30,819.04, 46,254.80 and 12,112.16

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Solution

The fourth proportional to 30,819.04, 46,254.80 and 12,112.16 is: 18,178.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,819.04 : 46,254.80 = 12,112.16 : x
  2. Step 2: Convert to fraction form
    30,819.04/46,254.80 = 12,112.16/x
  3. Step 3: Cross multiply
    30,819.04x = 46,254.80 × 12,112.16
  4. Step 4: Simplify right side
    30,819.04x = 560,245,538.37
  5. Step 5: Solve for x
    x = 560,245,538.37/30,819.04
  6. Step 6: Final answer
    x = 18,178.55

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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.