Home / 55,763.91-76,954.26-30,270.25

Finding the Fourth Proportional to 55,763.91, 76,954.26 and 30,270.25

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Solution

The fourth proportional to 55,763.91, 76,954.26 and 30,270.25 is: 41,772.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,763.91 : 76,954.26 = 30,270.25 : x
  2. Step 2: Convert to fraction form
    55,763.91/76,954.26 = 30,270.25/x
  3. Step 3: Cross multiply
    55,763.91x = 76,954.26 × 30,270.25
  4. Step 4: Simplify right side
    55,763.91x = 2,329,424,688.77
  5. Step 5: Solve for x
    x = 2,329,424,688.77/55,763.91
  6. Step 6: Final answer
    x = 41,772.98

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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.