Home / 30,751.20-46,151.24-14,118.93

Finding the Fourth Proportional to 30,751.20, 46,151.24 and 14,118.93

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Solution

The fourth proportional to 30,751.20, 46,151.24 and 14,118.93 is: 21,189.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,751.20 : 46,151.24 = 14,118.93 : x
  2. Step 2: Convert to fraction form
    30,751.20/46,151.24 = 14,118.93/x
  3. Step 3: Cross multiply
    30,751.20x = 46,151.24 × 14,118.93
  4. Step 4: Simplify right side
    30,751.20x = 651,606,056.38
  5. Step 5: Solve for x
    x = 651,606,056.38/30,751.20
  6. Step 6: Final answer
    x = 21,189.61

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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.