Home / 34,128.56-51,200.80-10,754.40

Finding the Fourth Proportional to 34,128.56, 51,200.80 and 10,754.40

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Solution

The fourth proportional to 34,128.56, 51,200.80 and 10,754.40 is: 16,134.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,128.56 : 51,200.80 = 10,754.40 : x
  2. Step 2: Convert to fraction form
    34,128.56/51,200.80 = 10,754.40/x
  3. Step 3: Cross multiply
    34,128.56x = 51,200.80 × 10,754.40
  4. Step 4: Simplify right side
    34,128.56x = 550,633,883.52
  5. Step 5: Solve for x
    x = 550,633,883.52/34,128.56
  6. Step 6: Final answer
    x = 16,134.11

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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.