Home / 34,431.59-51,638.87-9,470.43

Finding the Fourth Proportional to 34,431.59, 51,638.87 and 9,470.43

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Solution

The fourth proportional to 34,431.59, 51,638.87 and 9,470.43 is: 14,203.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,431.59 : 51,638.87 = 9,470.43 : x
  2. Step 2: Convert to fraction form
    34,431.59/51,638.87 = 9,470.43/x
  3. Step 3: Cross multiply
    34,431.59x = 51,638.87 × 9,470.43
  4. Step 4: Simplify right side
    34,431.59x = 489,042,045.42
  5. Step 5: Solve for x
    x = 489,042,045.42/34,431.59
  6. Step 6: Final answer
    x = 14,203.30

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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.