Home / 30,862.14-46,320.50-15,879.79

Finding the Fourth Proportional to 30,862.14, 46,320.50 and 15,879.79

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Solution

The fourth proportional to 30,862.14, 46,320.50 and 15,879.79 is: 23,833.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,862.14 : 46,320.50 = 15,879.79 : x
  2. Step 2: Convert to fraction form
    30,862.14/46,320.50 = 15,879.79/x
  3. Step 3: Cross multiply
    30,862.14x = 46,320.50 × 15,879.79
  4. Step 4: Simplify right side
    30,862.14x = 735,559,812.70
  5. Step 5: Solve for x
    x = 735,559,812.70/30,862.14
  6. Step 6: Final answer
    x = 23,833.73

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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.