Home / 42,786.89-59,026.26-27,684.47

Finding the Fourth Proportional to 42,786.89, 59,026.26 and 27,684.47

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Solution

The fourth proportional to 42,786.89, 59,026.26 and 27,684.47 is: 38,191.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,786.89 : 59,026.26 = 27,684.47 : x
  2. Step 2: Convert to fraction form
    42,786.89/59,026.26 = 27,684.47/x
  3. Step 3: Cross multiply
    42,786.89x = 59,026.26 × 27,684.47
  4. Step 4: Simplify right side
    42,786.89x = 1,634,110,546.58
  5. Step 5: Solve for x
    x = 1,634,110,546.58/42,786.89
  6. Step 6: Final answer
    x = 38,191.86

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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.