Home / 31,153.68-46,739.43-15,363.45

Finding the Fourth Proportional to 31,153.68, 46,739.43 and 15,363.45

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Solution

The fourth proportional to 31,153.68, 46,739.43 and 15,363.45 is: 23,049.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,153.68 : 46,739.43 = 15,363.45 : x
  2. Step 2: Convert to fraction form
    31,153.68/46,739.43 = 15,363.45/x
  3. Step 3: Cross multiply
    31,153.68x = 46,739.43 × 15,363.45
  4. Step 4: Simplify right side
    31,153.68x = 718,078,895.83
  5. Step 5: Solve for x
    x = 718,078,895.83/31,153.68
  6. Step 6: Final answer
    x = 23,049.57

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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.