Home / 34,129.42-47,099.55-19,982.86

Finding the Fourth Proportional to 34,129.42, 47,099.55 and 19,982.86

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Solution

The fourth proportional to 34,129.42, 47,099.55 and 19,982.86 is: 27,576.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,129.42 : 47,099.55 = 19,982.86 : x
  2. Step 2: Convert to fraction form
    34,129.42/47,099.55 = 19,982.86/x
  3. Step 3: Cross multiply
    34,129.42x = 47,099.55 × 19,982.86
  4. Step 4: Simplify right side
    34,129.42x = 941,183,713.71
  5. Step 5: Solve for x
    x = 941,183,713.71/34,129.42
  6. Step 6: Final answer
    x = 27,576.90

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1.5x scale

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.