Home / 55,199.40-82,774.20-15,747.14

Finding the Fourth Proportional to 55,199.40, 82,774.20 and 15,747.14

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Solution

The fourth proportional to 55,199.40, 82,774.20 and 15,747.14 is: 23,613.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,199.40 : 82,774.20 = 15,747.14 : x
  2. Step 2: Convert to fraction form
    55,199.40/82,774.20 = 15,747.14/x
  3. Step 3: Cross multiply
    55,199.40x = 82,774.20 × 15,747.14
  4. Step 4: Simplify right side
    55,199.40x = 1,303,456,915.79
  5. Step 5: Solve for x
    x = 1,303,456,915.79/55,199.40
  6. Step 6: Final answer
    x = 23,613.61

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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.