Home / 55,448.31-76,518.65-30,297.81

Finding the Fourth Proportional to 55,448.31, 76,518.65 and 30,297.81

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Solution

The fourth proportional to 55,448.31, 76,518.65 and 30,297.81 is: 41,810.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,448.31 : 76,518.65 = 30,297.81 : x
  2. Step 2: Convert to fraction form
    55,448.31/76,518.65 = 30,297.81/x
  3. Step 3: Cross multiply
    55,448.31x = 76,518.65 × 30,297.81
  4. Step 4: Simplify right side
    55,448.31x = 2,318,347,367.67
  5. Step 5: Solve for x
    x = 2,318,347,367.67/55,448.31
  6. Step 6: Final answer
    x = 41,810.97

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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.