Home / 31,183.62-46,742.76-14,529.92

Finding the Fourth Proportional to 31,183.62, 46,742.76 and 14,529.92

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Solution

The fourth proportional to 31,183.62, 46,742.76 and 14,529.92 is: 21,779.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,183.62 : 46,742.76 = 14,529.92 : x
  2. Step 2: Convert to fraction form
    31,183.62/46,742.76 = 14,529.92/x
  3. Step 3: Cross multiply
    31,183.62x = 46,742.76 × 14,529.92
  4. Step 4: Simplify right side
    31,183.62x = 679,168,329.67
  5. Step 5: Solve for x
    x = 679,168,329.67/31,183.62
  6. Step 6: Final answer
    x = 21,779.65

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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.