Home / 31,143.22-46,687.05-11,417.18

Finding the Fourth Proportional to 31,143.22, 46,687.05 and 11,417.18

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Solution

The fourth proportional to 31,143.22, 46,687.05 and 11,417.18 is: 17,115.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,143.22 : 46,687.05 = 11,417.18 : x
  2. Step 2: Convert to fraction form
    31,143.22/46,687.05 = 11,417.18/x
  3. Step 3: Cross multiply
    31,143.22x = 46,687.05 × 11,417.18
  4. Step 4: Simplify right side
    31,143.22x = 533,034,220.08
  5. Step 5: Solve for x
    x = 533,034,220.08/31,143.22
  6. Step 6: Final answer
    x = 17,115.58

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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.