Home / 37,620.48-51,913.40-20,622

Finding the Fourth Proportional to 37,620.48, 51,913.40 and 20,622

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Solution

The fourth proportional to 37,620.48, 51,913.40 and 20,622 is: 28,456.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,620.48 : 51,913.40 = 20,622 : x
  2. Step 2: Convert to fraction form
    37,620.48/51,913.40 = 20,622/x
  3. Step 3: Cross multiply
    37,620.48x = 51,913.40 × 20,622
  4. Step 4: Simplify right side
    37,620.48x = 1,070,558,134.80
  5. Step 5: Solve for x
    x = 1,070,558,134.80/37,620.48
  6. Step 6: Final answer
    x = 28,456.79

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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.