Home / 48,403.23-72,609.33-18,823.29

Finding the Fourth Proportional to 48,403.23, 72,609.33 and 18,823.29

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Solution

The fourth proportional to 48,403.23, 72,609.33 and 18,823.29 is: 28,236.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,403.23 : 72,609.33 = 18,823.29 : x
  2. Step 2: Convert to fraction form
    48,403.23/72,609.33 = 18,823.29/x
  3. Step 3: Cross multiply
    48,403.23x = 72,609.33 × 18,823.29
  4. Step 4: Simplify right side
    48,403.23x = 1,366,746,475.30
  5. Step 5: Solve for x
    x = 1,366,746,475.30/48,403.23
  6. Step 6: Final answer
    x = 28,236.68

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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.