Home / 36,402.28-54,581.87-14,189.72

Finding the Fourth Proportional to 36,402.28, 54,581.87 and 14,189.72

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Solution

The fourth proportional to 36,402.28, 54,581.87 and 14,189.72 is: 21,276.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,402.28 : 54,581.87 = 14,189.72 : x
  2. Step 2: Convert to fraction form
    36,402.28/54,581.87 = 14,189.72/x
  3. Step 3: Cross multiply
    36,402.28x = 54,581.87 × 14,189.72
  4. Step 4: Simplify right side
    36,402.28x = 774,501,381.43
  5. Step 5: Solve for x
    x = 774,501,381.43/36,402.28
  6. Step 6: Final answer
    x = 21,276.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.