Home / 45,519.40-68,299.74-20,545.96

Finding the Fourth Proportional to 45,519.40, 68,299.74 and 20,545.96

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Solution

The fourth proportional to 45,519.40, 68,299.74 and 20,545.96 is: 30,828.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,519.40 : 68,299.74 = 20,545.96 : x
  2. Step 2: Convert to fraction form
    45,519.40/68,299.74 = 20,545.96/x
  3. Step 3: Cross multiply
    45,519.40x = 68,299.74 × 20,545.96
  4. Step 4: Simplify right side
    45,519.40x = 1,403,283,726.05
  5. Step 5: Solve for x
    x = 1,403,283,726.05/45,519.40
  6. Step 6: Final answer
    x = 30,828.26

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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.