Home / 33,031.02-45,597.03-20,286.27

Finding the Fourth Proportional to 33,031.02, 45,597.03 and 20,286.27

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Solution

The fourth proportional to 33,031.02, 45,597.03 and 20,286.27 is: 28,003.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,031.02 : 45,597.03 = 20,286.27 : x
  2. Step 2: Convert to fraction form
    33,031.02/45,597.03 = 20,286.27/x
  3. Step 3: Cross multiply
    33,031.02x = 45,597.03 × 20,286.27
  4. Step 4: Simplify right side
    33,031.02x = 924,993,661.78
  5. Step 5: Solve for x
    x = 924,993,661.78/33,031.02
  6. Step 6: Final answer
    x = 28,003.79

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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.