Home / 56,742.87-78,288.69-36,611.54

Finding the Fourth Proportional to 56,742.87, 78,288.69 and 36,611.54

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Solution

The fourth proportional to 56,742.87, 78,288.69 and 36,611.54 is: 50,513.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,742.87 : 78,288.69 = 36,611.54 : x
  2. Step 2: Convert to fraction form
    56,742.87/78,288.69 = 36,611.54/x
  3. Step 3: Cross multiply
    56,742.87x = 78,288.69 × 36,611.54
  4. Step 4: Simplify right side
    56,742.87x = 2,866,269,505.48
  5. Step 5: Solve for x
    x = 2,866,269,505.48/56,742.87
  6. Step 6: Final answer
    x = 50,513.30

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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.