Home / 33,120.28-45,707.59-18,973.16

Finding the Fourth Proportional to 33,120.28, 45,707.59 and 18,973.16

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Solution

The fourth proportional to 33,120.28, 45,707.59 and 18,973.16 is: 26,183.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,120.28 : 45,707.59 = 18,973.16 : x
  2. Step 2: Convert to fraction form
    33,120.28/45,707.59 = 18,973.16/x
  3. Step 3: Cross multiply
    33,120.28x = 45,707.59 × 18,973.16
  4. Step 4: Simplify right side
    33,120.28x = 867,217,418.28
  5. Step 5: Solve for x
    x = 867,217,418.28/33,120.28
  6. Step 6: Final answer
    x = 26,183.88

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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.