Home / 30,212-41,695.12-16,966.56

Finding the Fourth Proportional to 30,212, 41,695.12 and 16,966.56

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Solution

The fourth proportional to 30,212, 41,695.12 and 16,966.56 is: 23,415.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,212 : 41,695.12 = 16,966.56 : x
  2. Step 2: Convert to fraction form
    30,212/41,695.12 = 16,966.56/x
  3. Step 3: Cross multiply
    30,212x = 41,695.12 × 16,966.56
  4. Step 4: Simplify right side
    30,212x = 707,422,755.19
  5. Step 5: Solve for x
    x = 707,422,755.19/30,212
  6. Step 6: Final answer
    x = 23,415.29

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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.