Home / 47,559.65-71,339.27-12,021.12

Finding the Fourth Proportional to 47,559.65, 71,339.27 and 12,021.12

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Solution

The fourth proportional to 47,559.65, 71,339.27 and 12,021.12 is: 18,031.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,559.65 : 71,339.27 = 12,021.12 : x
  2. Step 2: Convert to fraction form
    47,559.65/71,339.27 = 12,021.12/x
  3. Step 3: Cross multiply
    47,559.65x = 71,339.27 × 12,021.12
  4. Step 4: Simplify right side
    47,559.65x = 857,577,865.28
  5. Step 5: Solve for x
    x = 857,577,865.28/47,559.65
  6. Step 6: Final answer
    x = 18,031.63

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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.