Home / 29,451.69-40,656.60-19,385.42

Finding the Fourth Proportional to 29,451.69, 40,656.60 and 19,385.42

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Solution

The fourth proportional to 29,451.69, 40,656.60 and 19,385.42 is: 26,760.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,451.69 : 40,656.60 = 19,385.42 : x
  2. Step 2: Convert to fraction form
    29,451.69/40,656.60 = 19,385.42/x
  3. Step 3: Cross multiply
    29,451.69x = 40,656.60 × 19,385.42
  4. Step 4: Simplify right side
    29,451.69x = 788,145,063.49
  5. Step 5: Solve for x
    x = 788,145,063.49/29,451.69
  6. Step 6: Final answer
    x = 26,760.61

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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.