Home / 31,106.90-46,682.22-28,132.58

Finding the Fourth Proportional to 31,106.90, 46,682.22 and 28,132.58

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Solution

The fourth proportional to 31,106.90, 46,682.22 and 28,132.58 is: 42,218.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,106.90 : 46,682.22 = 28,132.58 : x
  2. Step 2: Convert to fraction form
    31,106.90/46,682.22 = 28,132.58/x
  3. Step 3: Cross multiply
    31,106.90x = 46,682.22 × 28,132.58
  4. Step 4: Simplify right side
    31,106.90x = 1,313,291,288.73
  5. Step 5: Solve for x
    x = 1,313,291,288.73/31,106.90
  6. Step 6: Final answer
    x = 42,218.65

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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.