Home / 34,391.12-51,516.28-20,308.66

Finding the Fourth Proportional to 34,391.12, 51,516.28 and 20,308.66

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Solution

The fourth proportional to 34,391.12, 51,516.28 and 20,308.66 is: 30,421.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,391.12 : 51,516.28 = 20,308.66 : x
  2. Step 2: Convert to fraction form
    34,391.12/51,516.28 = 20,308.66/x
  3. Step 3: Cross multiply
    34,391.12x = 51,516.28 × 20,308.66
  4. Step 4: Simplify right side
    34,391.12x = 1,046,226,614.98
  5. Step 5: Solve for x
    x = 1,046,226,614.98/34,391.12
  6. Step 6: Final answer
    x = 30,421.42

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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.