Home / 50,512.34-75,768.50-28,036.80

Finding the Fourth Proportional to 50,512.34, 75,768.50 and 28,036.80

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Solution

The fourth proportional to 50,512.34, 75,768.50 and 28,036.80 is: 42,055.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,512.34 : 75,768.50 = 28,036.80 : x
  2. Step 2: Convert to fraction form
    50,512.34/75,768.50 = 28,036.80/x
  3. Step 3: Cross multiply
    50,512.34x = 75,768.50 × 28,036.80
  4. Step 4: Simplify right side
    50,512.34x = 2,124,306,140.62
  5. Step 5: Solve for x
    x = 2,124,306,140.62/50,512.34
  6. Step 6: Final answer
    x = 42,055.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.