Home / 36,402.97-50,237.72-20,488.45

Finding the Fourth Proportional to 36,402.97, 50,237.72 and 20,488.45

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Solution

The fourth proportional to 36,402.97, 50,237.72 and 20,488.45 is: 28,274.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,402.97 : 50,237.72 = 20,488.45 : x
  2. Step 2: Convert to fraction form
    36,402.97/50,237.72 = 20,488.45/x
  3. Step 3: Cross multiply
    36,402.97x = 50,237.72 × 20,488.45
  4. Step 4: Simplify right side
    36,402.97x = 1,029,292,911.89
  5. Step 5: Solve for x
    x = 1,029,292,911.89/36,402.97
  6. Step 6: Final answer
    x = 28,274.97

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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.