Home / 30,237.30-41,727.25-16,809.78

Finding the Fourth Proportional to 30,237.30, 41,727.25 and 16,809.78

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Solution

The fourth proportional to 30,237.30, 41,727.25 and 16,809.78 is: 23,197.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,237.30 : 41,727.25 = 16,809.78 : x
  2. Step 2: Convert to fraction form
    30,237.30/41,727.25 = 16,809.78/x
  3. Step 3: Cross multiply
    30,237.30x = 41,727.25 × 16,809.78
  4. Step 4: Simplify right side
    30,237.30x = 701,425,892.51
  5. Step 5: Solve for x
    x = 701,425,892.51/30,237.30
  6. Step 6: Final answer
    x = 23,197.37

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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.