Home / 30,717.07-46,048.20-11,992.77

Finding the Fourth Proportional to 30,717.07, 46,048.20 and 11,992.77

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Solution

The fourth proportional to 30,717.07, 46,048.20 and 11,992.77 is: 17,978.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,717.07 : 46,048.20 = 11,992.77 : x
  2. Step 2: Convert to fraction form
    30,717.07/46,048.20 = 11,992.77/x
  3. Step 3: Cross multiply
    30,717.07x = 46,048.20 × 11,992.77
  4. Step 4: Simplify right side
    30,717.07x = 552,245,426.54
  5. Step 5: Solve for x
    x = 552,245,426.54/30,717.07
  6. Step 6: Final answer
    x = 17,978.46

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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.