Home / 34,152.85-51,226.39-19,315.09

Finding the Fourth Proportional to 34,152.85, 51,226.39 and 19,315.09

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Solution

The fourth proportional to 34,152.85, 51,226.39 and 19,315.09 is: 28,971.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,152.85 : 51,226.39 = 19,315.09 : x
  2. Step 2: Convert to fraction form
    34,152.85/51,226.39 = 19,315.09/x
  3. Step 3: Cross multiply
    34,152.85x = 51,226.39 × 19,315.09
  4. Step 4: Simplify right side
    34,152.85x = 989,442,333.23
  5. Step 5: Solve for x
    x = 989,442,333.23/34,152.85
  6. Step 6: Final answer
    x = 28,971.00

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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.