Home / 55,429.93-76,493.29-29,936.31

Finding the Fourth Proportional to 55,429.93, 76,493.29 and 29,936.31

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Solution

The fourth proportional to 55,429.93, 76,493.29 and 29,936.31 is: 41,312.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,429.93 : 76,493.29 = 29,936.31 : x
  2. Step 2: Convert to fraction form
    55,429.93/76,493.29 = 29,936.31/x
  3. Step 3: Cross multiply
    55,429.93x = 76,493.29 × 29,936.31
  4. Step 4: Simplify right side
    55,429.93x = 2,289,926,842.36
  5. Step 5: Solve for x
    x = 2,289,926,842.36/55,429.93
  6. Step 6: Final answer
    x = 41,312.10

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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.