Home / 48,729.67-73,085.29-20,669.65

Finding the Fourth Proportional to 48,729.67, 73,085.29 and 20,669.65

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Solution

The fourth proportional to 48,729.67, 73,085.29 and 20,669.65 is: 31,000.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,729.67 : 73,085.29 = 20,669.65 : x
  2. Step 2: Convert to fraction form
    48,729.67/73,085.29 = 20,669.65/x
  3. Step 3: Cross multiply
    48,729.67x = 73,085.29 × 20,669.65
  4. Step 4: Simplify right side
    48,729.67x = 1,510,647,130.06
  5. Step 5: Solve for x
    x = 1,510,647,130.06/48,729.67
  6. Step 6: Final answer
    x = 31,000.56

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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.