Home / 34,445.20-51,618.60-19,622.80

Finding the Fourth Proportional to 34,445.20, 51,618.60 and 19,622.80

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Solution

The fourth proportional to 34,445.20, 51,618.60 and 19,622.80 is: 29,406.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,445.20 : 51,618.60 = 19,622.80 : x
  2. Step 2: Convert to fraction form
    34,445.20/51,618.60 = 19,622.80/x
  3. Step 3: Cross multiply
    34,445.20x = 51,618.60 × 19,622.80
  4. Step 4: Simplify right side
    34,445.20x = 1,012,901,464.08
  5. Step 5: Solve for x
    x = 1,012,901,464.08/34,445.20
  6. Step 6: Final answer
    x = 29,406.17

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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.