Home / 31,184.32-43,022.15-19,226.90

Finding the Fourth Proportional to 31,184.32, 43,022.15 and 19,226.90

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Solution

The fourth proportional to 31,184.32, 43,022.15 and 19,226.90 is: 26,525.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,184.32 : 43,022.15 = 19,226.90 : x
  2. Step 2: Convert to fraction form
    31,184.32/43,022.15 = 19,226.90/x
  3. Step 3: Cross multiply
    31,184.32x = 43,022.15 × 19,226.90
  4. Step 4: Simplify right side
    31,184.32x = 827,182,641.63
  5. Step 5: Solve for x
    x = 827,182,641.63/31,184.32
  6. Step 6: Final answer
    x = 26,525.59

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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.