Home / 40,279.87-55,586.99-22,376.54

Finding the Fourth Proportional to 40,279.87, 55,586.99 and 22,376.54

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Solution

The fourth proportional to 40,279.87, 55,586.99 and 22,376.54 is: 30,880.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,279.87 : 55,586.99 = 22,376.54 : x
  2. Step 2: Convert to fraction form
    40,279.87/55,586.99 = 22,376.54/x
  3. Step 3: Cross multiply
    40,279.87x = 55,586.99 × 22,376.54
  4. Step 4: Simplify right side
    40,279.87x = 1,243,844,532.30
  5. Step 5: Solve for x
    x = 1,243,844,532.30/40,279.87
  6. Step 6: Final answer
    x = 30,880.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.