Home / 31,320.56-46,969.15-12,594.29

Finding the Fourth Proportional to 31,320.56, 46,969.15 and 12,594.29

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Solution

The fourth proportional to 31,320.56, 46,969.15 and 12,594.29 is: 18,886.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,320.56 : 46,969.15 = 12,594.29 : x
  2. Step 2: Convert to fraction form
    31,320.56/46,969.15 = 12,594.29/x
  3. Step 3: Cross multiply
    31,320.56x = 46,969.15 × 12,594.29
  4. Step 4: Simplify right side
    31,320.56x = 591,542,853.44
  5. Step 5: Solve for x
    x = 591,542,853.44/31,320.56
  6. Step 6: Final answer
    x = 18,886.73

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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.