Home / 34,576.09-47,719.64-20,240.30

Finding the Fourth Proportional to 34,576.09, 47,719.64 and 20,240.30

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Solution

The fourth proportional to 34,576.09, 47,719.64 and 20,240.30 is: 27,934.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,576.09 : 47,719.64 = 20,240.30 : x
  2. Step 2: Convert to fraction form
    34,576.09/47,719.64 = 20,240.30/x
  3. Step 3: Cross multiply
    34,576.09x = 47,719.64 × 20,240.30
  4. Step 4: Simplify right side
    34,576.09x = 965,860,031.94
  5. Step 5: Solve for x
    x = 965,860,031.94/34,576.09
  6. Step 6: Final answer
    x = 27,934.33

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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.