Home / 36,434.18-50,278.44-20,518.28

Finding the Fourth Proportional to 36,434.18, 50,278.44 and 20,518.28

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Solution

The fourth proportional to 36,434.18, 50,278.44 and 20,518.28 is: 28,314.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,434.18 : 50,278.44 = 20,518.28 : x
  2. Step 2: Convert to fraction form
    36,434.18/50,278.44 = 20,518.28/x
  3. Step 3: Cross multiply
    36,434.18x = 50,278.44 × 20,518.28
  4. Step 4: Simplify right side
    36,434.18x = 1,031,627,109.88
  5. Step 5: Solve for x
    x = 1,031,627,109.88/36,434.18
  6. Step 6: Final answer
    x = 28,314.82

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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.