Home / 34,128.53-51,192.78-10,756.79

Finding the Fourth Proportional to 34,128.53, 51,192.78 and 10,756.79

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Solution

The fourth proportional to 34,128.53, 51,192.78 and 10,756.79 is: 16,135.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,128.53 : 51,192.78 = 10,756.79 : x
  2. Step 2: Convert to fraction form
    34,128.53/51,192.78 = 10,756.79/x
  3. Step 3: Cross multiply
    34,128.53x = 51,192.78 × 10,756.79
  4. Step 4: Simplify right side
    34,128.53x = 550,669,728.01
  5. Step 5: Solve for x
    x = 550,669,728.01/34,128.53
  6. Step 6: Final answer
    x = 16,135.18

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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.