Home / 55,026.31-75,936.31-29,875.81

Finding the Fourth Proportional to 55,026.31, 75,936.31 and 29,875.81

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Solution

The fourth proportional to 55,026.31, 75,936.31 and 29,875.81 is: 41,228.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,026.31 : 75,936.31 = 29,875.81 : x
  2. Step 2: Convert to fraction form
    55,026.31/75,936.31 = 29,875.81/x
  3. Step 3: Cross multiply
    55,026.31x = 75,936.31 × 29,875.81
  4. Step 4: Simplify right side
    55,026.31x = 2,268,658,769.66
  5. Step 5: Solve for x
    x = 2,268,658,769.66/55,026.31
  6. Step 6: Final answer
    x = 41,228.62

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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.