Home / 30,321.40-41,842.92-16,892.62

Finding the Fourth Proportional to 30,321.40, 41,842.92 and 16,892.62

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Solution

The fourth proportional to 30,321.40, 41,842.92 and 16,892.62 is: 23,311.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,321.40 : 41,842.92 = 16,892.62 : x
  2. Step 2: Convert to fraction form
    30,321.40/41,842.92 = 16,892.62/x
  3. Step 3: Cross multiply
    30,321.40x = 41,842.92 × 16,892.62
  4. Step 4: Simplify right side
    30,321.40x = 706,836,547.25
  5. Step 5: Solve for x
    x = 706,836,547.25/30,321.40
  6. Step 6: Final answer
    x = 23,311.47

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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.