Home / 55,051.15-82,560.53-15,611.71

Finding the Fourth Proportional to 55,051.15, 82,560.53 and 15,611.71

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Solution

The fourth proportional to 55,051.15, 82,560.53 and 15,611.71 is: 23,412.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,051.15 : 82,560.53 = 15,611.71 : x
  2. Step 2: Convert to fraction form
    55,051.15/82,560.53 = 15,611.71/x
  3. Step 3: Cross multiply
    55,051.15x = 82,560.53 × 15,611.71
  4. Step 4: Simplify right side
    55,051.15x = 1,288,910,973.75
  5. Step 5: Solve for x
    x = 1,288,910,973.75/55,051.15
  6. Step 6: Final answer
    x = 23,412.97

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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.