Home / 58,736.61-81,057.11-31,879.34

Finding the Fourth Proportional to 58,736.61, 81,057.11 and 31,879.34

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Solution

The fourth proportional to 58,736.61, 81,057.11 and 31,879.34 is: 43,993.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,736.61 : 81,057.11 = 31,879.34 : x
  2. Step 2: Convert to fraction form
    58,736.61/81,057.11 = 31,879.34/x
  3. Step 3: Cross multiply
    58,736.61x = 81,057.11 × 31,879.34
  4. Step 4: Simplify right side
    58,736.61x = 2,584,046,908.39
  5. Step 5: Solve for x
    x = 2,584,046,908.39/58,736.61
  6. Step 6: Final answer
    x = 43,993.80

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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.