Home / 58,775.22-81,109.44-31,917.51

Finding the Fourth Proportional to 58,775.22, 81,109.44 and 31,917.51

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Solution

The fourth proportional to 58,775.22, 81,109.44 and 31,917.51 is: 44,045.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,775.22 : 81,109.44 = 31,917.51 : x
  2. Step 2: Convert to fraction form
    58,775.22/81,109.44 = 31,917.51/x
  3. Step 3: Cross multiply
    58,775.22x = 81,109.44 × 31,917.51
  4. Step 4: Simplify right side
    58,775.22x = 2,588,811,362.29
  5. Step 5: Solve for x
    x = 2,588,811,362.29/58,775.22
  6. Step 6: Final answer
    x = 44,045.97

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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.