Home / 37,775.30-56,706.60-20,279.30

Finding the Fourth Proportional to 37,775.30, 56,706.60 and 20,279.30

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Solution

The fourth proportional to 37,775.30, 56,706.60 and 20,279.30 is: 30,442.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,775.30 : 56,706.60 = 20,279.30 : x
  2. Step 2: Convert to fraction form
    37,775.30/56,706.60 = 20,279.30/x
  3. Step 3: Cross multiply
    37,775.30x = 56,706.60 × 20,279.30
  4. Step 4: Simplify right side
    37,775.30x = 1,149,970,153.38
  5. Step 5: Solve for x
    x = 1,149,970,153.38/37,775.30
  6. Step 6: Final answer
    x = 30,442.38

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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.