Home / 31,776.46-43,847.19-19,026.72

Finding the Fourth Proportional to 31,776.46, 43,847.19 and 19,026.72

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Solution

The fourth proportional to 31,776.46, 43,847.19 and 19,026.72 is: 26,254.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,776.46 : 43,847.19 = 19,026.72 : x
  2. Step 2: Convert to fraction form
    31,776.46/43,847.19 = 19,026.72/x
  3. Step 3: Cross multiply
    31,776.46x = 43,847.19 × 19,026.72
  4. Step 4: Simplify right side
    31,776.46x = 834,268,206.92
  5. Step 5: Solve for x
    x = 834,268,206.92/31,776.46
  6. Step 6: Final answer
    x = 26,254.29

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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.