Home / 33,079.19-45,622.87-21,760.34

Finding the Fourth Proportional to 33,079.19, 45,622.87 and 21,760.34

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Solution

The fourth proportional to 33,079.19, 45,622.87 and 21,760.34 is: 30,011.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,079.19 : 45,622.87 = 21,760.34 : x
  2. Step 2: Convert to fraction form
    33,079.19/45,622.87 = 21,760.34/x
  3. Step 3: Cross multiply
    33,079.19x = 45,622.87 × 21,760.34
  4. Step 4: Simplify right side
    33,079.19x = 992,768,880.46
  5. Step 5: Solve for x
    x = 992,768,880.46/33,079.19
  6. Step 6: Final answer
    x = 30,011.89

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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.