Home / 34,142.46-51,178.50-13,076.70

Finding the Fourth Proportional to 34,142.46, 51,178.50 and 13,076.70

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Solution

The fourth proportional to 34,142.46, 51,178.50 and 13,076.70 is: 19,601.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,142.46 : 51,178.50 = 13,076.70 : x
  2. Step 2: Convert to fraction form
    34,142.46/51,178.50 = 13,076.70/x
  3. Step 3: Cross multiply
    34,142.46x = 51,178.50 × 13,076.70
  4. Step 4: Simplify right side
    34,142.46x = 669,245,890.95
  5. Step 5: Solve for x
    x = 669,245,890.95/34,142.46
  6. Step 6: Final answer
    x = 19,601.57

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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.