Home / 31,215.44-46,840.44-12,746

Finding the Fourth Proportional to 31,215.44, 46,840.44 and 12,746

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Solution

The fourth proportional to 31,215.44, 46,840.44 and 12,746 is: 19,126.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,215.44 : 46,840.44 = 12,746 : x
  2. Step 2: Convert to fraction form
    31,215.44/46,840.44 = 12,746/x
  3. Step 3: Cross multiply
    31,215.44x = 46,840.44 × 12,746
  4. Step 4: Simplify right side
    31,215.44x = 597,028,248.24
  5. Step 5: Solve for x
    x = 597,028,248.24/31,215.44
  6. Step 6: Final answer
    x = 19,126.06

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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.