Home / 30,251.54-41,743.93-16,820.63

Finding the Fourth Proportional to 30,251.54, 41,743.93 and 16,820.63

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Solution

The fourth proportional to 30,251.54, 41,743.93 and 16,820.63 is: 23,210.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,251.54 : 41,743.93 = 16,820.63 : x
  2. Step 2: Convert to fraction form
    30,251.54/41,743.93 = 16,820.63/x
  3. Step 3: Cross multiply
    30,251.54x = 41,743.93 × 16,820.63
  4. Step 4: Simplify right side
    30,251.54x = 702,159,185.89
  5. Step 5: Solve for x
    x = 702,159,185.89/30,251.54
  6. Step 6: Final answer
    x = 23,210.69

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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.