Home / 36,536.28-50,420.10-19,769.40

Finding the Fourth Proportional to 36,536.28, 50,420.10 and 19,769.40

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Solution

The fourth proportional to 36,536.28, 50,420.10 and 19,769.40 is: 27,281.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,536.28 : 50,420.10 = 19,769.40 : x
  2. Step 2: Convert to fraction form
    36,536.28/50,420.10 = 19,769.40/x
  3. Step 3: Cross multiply
    36,536.28x = 50,420.10 × 19,769.40
  4. Step 4: Simplify right side
    36,536.28x = 996,775,124.94
  5. Step 5: Solve for x
    x = 996,775,124.94/36,536.28
  6. Step 6: Final answer
    x = 27,281.79

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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.