Home / 45,135.30-62,255.88-30,963.54

Finding the Fourth Proportional to 45,135.30, 62,255.88 and 30,963.54

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Solution

The fourth proportional to 45,135.30, 62,255.88 and 30,963.54 is: 42,708.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,135.30 : 62,255.88 = 30,963.54 : x
  2. Step 2: Convert to fraction form
    45,135.30/62,255.88 = 30,963.54/x
  3. Step 3: Cross multiply
    45,135.30x = 62,255.88 × 30,963.54
  4. Step 4: Simplify right side
    45,135.30x = 1,927,662,430.62
  5. Step 5: Solve for x
    x = 1,927,662,430.62/45,135.30
  6. Step 6: Final answer
    x = 42,708.53

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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.