Home / 34,157.20-51,240.60-10,781.20

Finding the Fourth Proportional to 34,157.20, 51,240.60 and 10,781.20

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Solution

The fourth proportional to 34,157.20, 51,240.60 and 10,781.20 is: 16,173.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,157.20 : 51,240.60 = 10,781.20 : x
  2. Step 2: Convert to fraction form
    34,157.20/51,240.60 = 10,781.20/x
  3. Step 3: Cross multiply
    34,157.20x = 51,240.60 × 10,781.20
  4. Step 4: Simplify right side
    34,157.20x = 552,435,156.72
  5. Step 5: Solve for x
    x = 552,435,156.72/34,157.20
  6. Step 6: Final answer
    x = 16,173.32

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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.