Home / 32,391.38-48,613-16,813.46

Finding the Fourth Proportional to 32,391.38, 48,613 and 16,813.46

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Solution

The fourth proportional to 32,391.38, 48,613 and 16,813.46 is: 25,233.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,391.38 : 48,613 = 16,813.46 : x
  2. Step 2: Convert to fraction form
    32,391.38/48,613 = 16,813.46/x
  3. Step 3: Cross multiply
    32,391.38x = 48,613 × 16,813.46
  4. Step 4: Simplify right side
    32,391.38x = 817,352,730.98
  5. Step 5: Solve for x
    x = 817,352,730.98/32,391.38
  6. Step 6: Final answer
    x = 25,233.65

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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.