Home / 34,520.49-51,780.87-10,505.03

Finding the Fourth Proportional to 34,520.49, 51,780.87 and 10,505.03

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Solution

The fourth proportional to 34,520.49, 51,780.87 and 10,505.03 is: 15,757.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,520.49 : 51,780.87 = 10,505.03 : x
  2. Step 2: Convert to fraction form
    34,520.49/51,780.87 = 10,505.03/x
  3. Step 3: Cross multiply
    34,520.49x = 51,780.87 × 10,505.03
  4. Step 4: Simplify right side
    34,520.49x = 543,959,592.78
  5. Step 5: Solve for x
    x = 543,959,592.78/34,520.49
  6. Step 6: Final answer
    x = 15,757.59

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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.