Home / 30,320.17-41,842.17-16,892.20

Finding the Fourth Proportional to 30,320.17, 41,842.17 and 16,892.20

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Solution

The fourth proportional to 30,320.17, 41,842.17 and 16,892.20 is: 23,311.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,320.17 : 41,842.17 = 16,892.20 : x
  2. Step 2: Convert to fraction form
    30,320.17/41,842.17 = 16,892.20/x
  3. Step 3: Cross multiply
    30,320.17x = 41,842.17 × 16,892.20
  4. Step 4: Simplify right side
    30,320.17x = 706,806,121.01
  5. Step 5: Solve for x
    x = 706,806,121.01/30,320.17
  6. Step 6: Final answer
    x = 23,311.41

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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.