Home / 40,725.03-61,079.35-11,145.86

Finding the Fourth Proportional to 40,725.03, 61,079.35 and 11,145.86

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Solution

The fourth proportional to 40,725.03, 61,079.35 and 11,145.86 is: 16,716.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,725.03 : 61,079.35 = 11,145.86 : x
  2. Step 2: Convert to fraction form
    40,725.03/61,079.35 = 11,145.86/x
  3. Step 3: Cross multiply
    40,725.03x = 61,079.35 × 11,145.86
  4. Step 4: Simplify right side
    40,725.03x = 680,781,800.68
  5. Step 5: Solve for x
    x = 680,781,800.68/40,725.03
  6. Step 6: Final answer
    x = 16,716.54

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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.