Home / 30,267.54-45,344.07-17,129.34

Finding the Fourth Proportional to 30,267.54, 45,344.07 and 17,129.34

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Solution

The fourth proportional to 30,267.54, 45,344.07 and 17,129.34 is: 25,661.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,267.54 : 45,344.07 = 17,129.34 : x
  2. Step 2: Convert to fraction form
    30,267.54/45,344.07 = 17,129.34/x
  3. Step 3: Cross multiply
    30,267.54x = 45,344.07 × 17,129.34
  4. Step 4: Simplify right side
    30,267.54x = 776,713,992.01
  5. Step 5: Solve for x
    x = 776,713,992.01/30,267.54
  6. Step 6: Final answer
    x = 25,661.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.