Home / 55,776.61-76,972.29-30,283.21

Finding the Fourth Proportional to 55,776.61, 76,972.29 and 30,283.21

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Solution

The fourth proportional to 55,776.61, 76,972.29 and 30,283.21 is: 41,791.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,776.61 : 76,972.29 = 30,283.21 : x
  2. Step 2: Convert to fraction form
    55,776.61/76,972.29 = 30,283.21/x
  3. Step 3: Cross multiply
    55,776.61x = 76,972.29 × 30,283.21
  4. Step 4: Simplify right side
    55,776.61x = 2,330,968,022.25
  5. Step 5: Solve for x
    x = 2,330,968,022.25/55,776.61
  6. Step 6: Final answer
    x = 41,791.14

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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.