Home / 31,826-43,919.88-19,260.56

Finding the Fourth Proportional to 31,826, 43,919.88 and 19,260.56

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Solution

The fourth proportional to 31,826, 43,919.88 and 19,260.56 is: 26,579.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,826 : 43,919.88 = 19,260.56 : x
  2. Step 2: Convert to fraction form
    31,826/43,919.88 = 19,260.56/x
  3. Step 3: Cross multiply
    31,826x = 43,919.88 × 19,260.56
  4. Step 4: Simplify right side
    31,826x = 845,921,483.93
  5. Step 5: Solve for x
    x = 845,921,483.93/31,826
  6. Step 6: Final answer
    x = 26,579.57

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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.