Home / 34,576.96-47,701.12-21,148.80

Finding the Fourth Proportional to 34,576.96, 47,701.12 and 21,148.80

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Solution

The fourth proportional to 34,576.96, 47,701.12 and 21,148.80 is: 29,176.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,576.96 : 47,701.12 = 21,148.80 : x
  2. Step 2: Convert to fraction form
    34,576.96/47,701.12 = 21,148.80/x
  3. Step 3: Cross multiply
    34,576.96x = 47,701.12 × 21,148.80
  4. Step 4: Simplify right side
    34,576.96x = 1,008,821,446.66
  5. Step 5: Solve for x
    x = 1,008,821,446.66/34,576.96
  6. Step 6: Final answer
    x = 29,176.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.