Home / 30,234.37-41,721.63-16,805.16

Finding the Fourth Proportional to 30,234.37, 41,721.63 and 16,805.16

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Solution

The fourth proportional to 30,234.37, 41,721.63 and 16,805.16 is: 23,190.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,234.37 : 41,721.63 = 16,805.16 : x
  2. Step 2: Convert to fraction form
    30,234.37/41,721.63 = 16,805.16/x
  3. Step 3: Cross multiply
    30,234.37x = 41,721.63 × 16,805.16
  4. Step 4: Simplify right side
    30,234.37x = 701,138,667.61
  5. Step 5: Solve for x
    x = 701,138,667.61/30,234.37
  6. Step 6: Final answer
    x = 23,190.12

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1.5x scale

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.