Home / 31,124.90-46,687.31-11,405.00

Finding the Fourth Proportional to 31,124.90, 46,687.31 and 11,405.00

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Solution

The fourth proportional to 31,124.90, 46,687.31 and 11,405.00 is: 17,107.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,124.90 : 46,687.31 = 11,405.00 : x
  2. Step 2: Convert to fraction form
    31,124.90/46,687.31 = 11,405.00/x
  3. Step 3: Cross multiply
    31,124.90x = 46,687.31 × 11,405.00
  4. Step 4: Simplify right side
    31,124.90x = 532,468,537.11
  5. Step 5: Solve for x
    x = 532,468,537.11/31,124.90
  6. Step 6: Final answer
    x = 17,107.48

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1.5x scale

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.