Home / 45,724.87-68,554.36-20,752.39

Finding the Fourth Proportional to 45,724.87, 68,554.36 and 20,752.39

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Solution

The fourth proportional to 45,724.87, 68,554.36 and 20,752.39 is: 31,113.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,724.87 : 68,554.36 = 20,752.39 : x
  2. Step 2: Convert to fraction form
    45,724.87/68,554.36 = 20,752.39/x
  3. Step 3: Cross multiply
    45,724.87x = 68,554.36 × 20,752.39
  4. Step 4: Simplify right side
    45,724.87x = 1,422,666,814.92
  5. Step 5: Solve for x
    x = 1,422,666,814.92/45,724.87
  6. Step 6: Final answer
    x = 31,113.63

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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.