Home / 34,090.60-51,132.30-10,715.80

Finding the Fourth Proportional to 34,090.60, 51,132.30 and 10,715.80

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Solution

The fourth proportional to 34,090.60, 51,132.30 and 10,715.80 is: 16,072.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,090.60 : 51,132.30 = 10,715.80 : x
  2. Step 2: Convert to fraction form
    34,090.60/51,132.30 = 10,715.80/x
  3. Step 3: Cross multiply
    34,090.60x = 51,132.30 × 10,715.80
  4. Step 4: Simplify right side
    34,090.60x = 547,923,500.34
  5. Step 5: Solve for x
    x = 547,923,500.34/34,090.60
  6. Step 6: Final answer
    x = 16,072.57

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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.