Home / 48,888.91-73,368.33-20,828.62

Finding the Fourth Proportional to 48,888.91, 73,368.33 and 20,828.62

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Solution

The fourth proportional to 48,888.91, 73,368.33 and 20,828.62 is: 31,257.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,888.91 : 73,368.33 = 20,828.62 : x
  2. Step 2: Convert to fraction form
    48,888.91/73,368.33 = 20,828.62/x
  3. Step 3: Cross multiply
    48,888.91x = 73,368.33 × 20,828.62
  4. Step 4: Simplify right side
    48,888.91x = 1,528,161,065.60
  5. Step 5: Solve for x
    x = 1,528,161,065.60/48,888.91
  6. Step 6: Final answer
    x = 31,257.83

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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.