Home / 48,920.76-73,379.32-13,859.51

Finding the Fourth Proportional to 48,920.76, 73,379.32 and 13,859.51

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Solution

The fourth proportional to 48,920.76, 73,379.32 and 13,859.51 is: 20,788.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,920.76 : 73,379.32 = 13,859.51 : x
  2. Step 2: Convert to fraction form
    48,920.76/73,379.32 = 13,859.51/x
  3. Step 3: Cross multiply
    48,920.76x = 73,379.32 × 13,859.51
  4. Step 4: Simplify right side
    48,920.76x = 1,017,001,017.79
  5. Step 5: Solve for x
    x = 1,017,001,017.79/48,920.76
  6. Step 6: Final answer
    x = 20,788.74

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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.