Home / 55,051.50-82,581.37-15,611.79

Finding the Fourth Proportional to 55,051.50, 82,581.37 and 15,611.79

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Solution

The fourth proportional to 55,051.50, 82,581.37 and 15,611.79 is: 23,418.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,051.50 : 82,581.37 = 15,611.79 : x
  2. Step 2: Convert to fraction form
    55,051.50/82,581.37 = 15,611.79/x
  3. Step 3: Cross multiply
    55,051.50x = 82,581.37 × 15,611.79
  4. Step 4: Simplify right side
    55,051.50x = 1,289,242,967.32
  5. Step 5: Solve for x
    x = 1,289,242,967.32/55,051.50
  6. Step 6: Final answer
    x = 23,418.85

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1.5x scale

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.