Home / 48,647.85-72,989.39-19,085.88

Finding the Fourth Proportional to 48,647.85, 72,989.39 and 19,085.88

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Solution

The fourth proportional to 48,647.85, 72,989.39 and 19,085.88 is: 28,635.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,647.85 : 72,989.39 = 19,085.88 : x
  2. Step 2: Convert to fraction form
    48,647.85/72,989.39 = 19,085.88/x
  3. Step 3: Cross multiply
    48,647.85x = 72,989.39 × 19,085.88
  4. Step 4: Simplify right side
    48,647.85x = 1,393,066,738.81
  5. Step 5: Solve for x
    x = 1,393,066,738.81/48,647.85
  6. Step 6: Final answer
    x = 28,635.73

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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.