Home / 36,220.71-54,303.11-13,731.06

Finding the Fourth Proportional to 36,220.71, 54,303.11 and 13,731.06

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Solution

The fourth proportional to 36,220.71, 54,303.11 and 13,731.06 is: 20,585.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,220.71 : 54,303.11 = 13,731.06 : x
  2. Step 2: Convert to fraction form
    36,220.71/54,303.11 = 13,731.06/x
  3. Step 3: Cross multiply
    36,220.71x = 54,303.11 × 13,731.06
  4. Step 4: Simplify right side
    36,220.71x = 745,639,261.60
  5. Step 5: Solve for x
    x = 745,639,261.60/36,220.71
  6. Step 6: Final answer
    x = 20,585.99

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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.