Home / 40,783.12-56,288.39-26,611.36

Finding the Fourth Proportional to 40,783.12, 56,288.39 and 26,611.36

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Solution

The fourth proportional to 40,783.12, 56,288.39 and 26,611.36 is: 36,728.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,783.12 : 56,288.39 = 26,611.36 : x
  2. Step 2: Convert to fraction form
    40,783.12/56,288.39 = 26,611.36/x
  3. Step 3: Cross multiply
    40,783.12x = 56,288.39 × 26,611.36
  4. Step 4: Simplify right side
    40,783.12x = 1,497,910,336.33
  5. Step 5: Solve for x
    x = 1,497,910,336.33/40,783.12
  6. Step 6: Final answer
    x = 36,728.69

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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.