Home / 36,431.17-50,274.21-20,298.46

Finding the Fourth Proportional to 36,431.17, 50,274.21 and 20,298.46

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Solution

The fourth proportional to 36,431.17, 50,274.21 and 20,298.46 is: 28,011.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,431.17 : 50,274.21 = 20,298.46 : x
  2. Step 2: Convert to fraction form
    36,431.17/50,274.21 = 20,298.46/x
  3. Step 3: Cross multiply
    36,431.17x = 50,274.21 × 20,298.46
  4. Step 4: Simplify right side
    36,431.17x = 1,020,489,040.72
  5. Step 5: Solve for x
    x = 1,020,489,040.72/36,431.17
  6. Step 6: Final answer
    x = 28,011.43

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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.