Home / 37,618.48-51,910.64-20,620

Finding the Fourth Proportional to 37,618.48, 51,910.64 and 20,620

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Solution

The fourth proportional to 37,618.48, 51,910.64 and 20,620 is: 28,454.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,618.48 : 51,910.64 = 20,620 : x
  2. Step 2: Convert to fraction form
    37,618.48/51,910.64 = 20,620/x
  3. Step 3: Cross multiply
    37,618.48x = 51,910.64 × 20,620
  4. Step 4: Simplify right side
    37,618.48x = 1,070,397,396.80
  5. Step 5: Solve for x
    x = 1,070,397,396.80/37,618.48
  6. Step 6: Final answer
    x = 28,454.03

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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.