Home / 47,149.81-70,771.20-34,634.71

Finding the Fourth Proportional to 47,149.81, 70,771.20 and 34,634.71

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Solution

The fourth proportional to 47,149.81, 70,771.20 and 34,634.71 is: 51,986.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,149.81 : 70,771.20 = 34,634.71 : x
  2. Step 2: Convert to fraction form
    47,149.81/70,771.20 = 34,634.71/x
  3. Step 3: Cross multiply
    47,149.81x = 70,771.20 × 34,634.71
  4. Step 4: Simplify right side
    47,149.81x = 2,451,139,988.35
  5. Step 5: Solve for x
    x = 2,451,139,988.35/47,149.81
  6. Step 6: Final answer
    x = 51,986.21

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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.