Home / 37,375.08-51,576.95-20,379.46

Finding the Fourth Proportional to 37,375.08, 51,576.95 and 20,379.46

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Solution

The fourth proportional to 37,375.08, 51,576.95 and 20,379.46 is: 28,123.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,375.08 : 51,576.95 = 20,379.46 : x
  2. Step 2: Convert to fraction form
    37,375.08/51,576.95 = 20,379.46/x
  3. Step 3: Cross multiply
    37,375.08x = 51,576.95 × 20,379.46
  4. Step 4: Simplify right side
    37,375.08x = 1,051,110,311.45
  5. Step 5: Solve for x
    x = 1,051,110,311.45/37,375.08
  6. Step 6: Final answer
    x = 28,123.29

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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.