Home / 34,219.20-51,328.80-10,845.60

Finding the Fourth Proportional to 34,219.20, 51,328.80 and 10,845.60

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Solution

The fourth proportional to 34,219.20, 51,328.80 and 10,845.60 is: 16,268.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,219.20 : 51,328.80 = 10,845.60 : x
  2. Step 2: Convert to fraction form
    34,219.20/51,328.80 = 10,845.60/x
  3. Step 3: Cross multiply
    34,219.20x = 51,328.80 × 10,845.60
  4. Step 4: Simplify right side
    34,219.20x = 556,691,633.28
  5. Step 5: Solve for x
    x = 556,691,633.28/34,219.20
  6. Step 6: Final answer
    x = 16,268.40

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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.