Home / 36,400.46-54,579.16-14,187.90

Finding the Fourth Proportional to 36,400.46, 54,579.16 and 14,187.90

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Solution

The fourth proportional to 36,400.46, 54,579.16 and 14,187.90 is: 21,273.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,400.46 : 54,579.16 = 14,187.90 : x
  2. Step 2: Convert to fraction form
    36,400.46/54,579.16 = 14,187.90/x
  3. Step 3: Cross multiply
    36,400.46x = 54,579.16 × 14,187.90
  4. Step 4: Simplify right side
    36,400.46x = 774,363,806.76
  5. Step 5: Solve for x
    x = 774,363,806.76/36,400.46
  6. Step 6: Final answer
    x = 21,273.47

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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.