Home / 48,931.96-73,379.16-20,834.20

Finding the Fourth Proportional to 48,931.96, 73,379.16 and 20,834.20

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Solution

The fourth proportional to 48,931.96, 73,379.16 and 20,834.20 is: 31,243.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,931.96 : 73,379.16 = 20,834.20 : x
  2. Step 2: Convert to fraction form
    48,931.96/73,379.16 = 20,834.20/x
  3. Step 3: Cross multiply
    48,931.96x = 73,379.16 × 20,834.20
  4. Step 4: Simplify right side
    48,931.96x = 1,528,796,095.27
  5. Step 5: Solve for x
    x = 1,528,796,095.27/48,931.96
  6. Step 6: Final answer
    x = 31,243.30

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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.