Home / 48,457.92-72,715.08-20,375.94

Finding the Fourth Proportional to 48,457.92, 72,715.08 and 20,375.94

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Solution

The fourth proportional to 48,457.92, 72,715.08 and 20,375.94 is: 30,575.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,457.92 : 72,715.08 = 20,375.94 : x
  2. Step 2: Convert to fraction form
    48,457.92/72,715.08 = 20,375.94/x
  3. Step 3: Cross multiply
    48,457.92x = 72,715.08 × 20,375.94
  4. Step 4: Simplify right side
    48,457.92x = 1,481,638,107.18
  5. Step 5: Solve for x
    x = 1,481,638,107.18/48,457.92
  6. Step 6: Final answer
    x = 30,575.77

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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.