Home / 55,387.54-76,434.36-30,237.04

Finding the Fourth Proportional to 55,387.54, 76,434.36 and 30,237.04

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Solution

The fourth proportional to 55,387.54, 76,434.36 and 30,237.04 is: 41,726.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,387.54 : 76,434.36 = 30,237.04 : x
  2. Step 2: Convert to fraction form
    55,387.54/76,434.36 = 30,237.04/x
  3. Step 3: Cross multiply
    55,387.54x = 76,434.36 × 30,237.04
  4. Step 4: Simplify right side
    55,387.54x = 2,311,148,800.69
  5. Step 5: Solve for x
    x = 2,311,148,800.69/55,387.54
  6. Step 6: Final answer
    x = 41,726.87

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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.