Home / 33,811.20-46,661.76-18,904.32

Finding the Fourth Proportional to 33,811.20, 46,661.76 and 18,904.32

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Solution

The fourth proportional to 33,811.20, 46,661.76 and 18,904.32 is: 26,089.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,811.20 : 46,661.76 = 18,904.32 : x
  2. Step 2: Convert to fraction form
    33,811.20/46,661.76 = 18,904.32/x
  3. Step 3: Cross multiply
    33,811.20x = 46,661.76 × 18,904.32
  4. Step 4: Simplify right side
    33,811.20x = 882,108,842.80
  5. Step 5: Solve for x
    x = 882,108,842.80/33,811.20
  6. Step 6: Final answer
    x = 26,089.25

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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.