Home / 31,858.08-43,966.61-19,111.74

Finding the Fourth Proportional to 31,858.08, 43,966.61 and 19,111.74

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Solution

The fourth proportional to 31,858.08, 43,966.61 and 19,111.74 is: 26,375.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,858.08 : 43,966.61 = 19,111.74 : x
  2. Step 2: Convert to fraction form
    31,858.08/43,966.61 = 19,111.74/x
  3. Step 3: Cross multiply
    31,858.08x = 43,966.61 × 19,111.74
  4. Step 4: Simplify right side
    31,858.08x = 840,278,419.00
  5. Step 5: Solve for x
    x = 840,278,419.00/31,858.08
  6. Step 6: Final answer
    x = 26,375.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.