Home / 55,078.31-76,008.29-29,927.81

Finding the Fourth Proportional to 55,078.31, 76,008.29 and 29,927.81

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Solution

The fourth proportional to 55,078.31, 76,008.29 and 29,927.81 is: 41,300.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,078.31 : 76,008.29 = 29,927.81 : x
  2. Step 2: Convert to fraction form
    55,078.31/76,008.29 = 29,927.81/x
  3. Step 3: Cross multiply
    55,078.31x = 76,008.29 × 29,927.81
  4. Step 4: Simplify right side
    55,078.31x = 2,274,761,701.93
  5. Step 5: Solve for x
    x = 2,274,761,701.93/55,078.31
  6. Step 6: Final answer
    x = 41,300.50

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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.