Home / 31,254.93-46,849.59-11,520.90

Finding the Fourth Proportional to 31,254.93, 46,849.59 and 11,520.90

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Solution

The fourth proportional to 31,254.93, 46,849.59 and 11,520.90 is: 17,269.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,254.93 : 46,849.59 = 11,520.90 : x
  2. Step 2: Convert to fraction form
    31,254.93/46,849.59 = 11,520.90/x
  3. Step 3: Cross multiply
    31,254.93x = 46,849.59 × 11,520.90
  4. Step 4: Simplify right side
    31,254.93x = 539,749,441.43
  5. Step 5: Solve for x
    x = 539,749,441.43/31,254.93
  6. Step 6: Final answer
    x = 17,269.26

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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.