Home / 29,454.85-40,634.48-19,891.63

Finding the Fourth Proportional to 29,454.85, 40,634.48 and 19,891.63

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Solution

The fourth proportional to 29,454.85, 40,634.48 and 19,891.63 is: 27,441.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,454.85 : 40,634.48 = 19,891.63 : x
  2. Step 2: Convert to fraction form
    29,454.85/40,634.48 = 19,891.63/x
  3. Step 3: Cross multiply
    29,454.85x = 40,634.48 × 19,891.63
  4. Step 4: Simplify right side
    29,454.85x = 808,285,738.77
  5. Step 5: Solve for x
    x = 808,285,738.77/29,454.85
  6. Step 6: Final answer
    x = 27,441.52

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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.