Home / 20,620.02-30,930.06-5,037.66

Finding the Fourth Proportional to 20,620.02, 30,930.06 and 5,037.66

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Solution

The fourth proportional to 20,620.02, 30,930.06 and 5,037.66 is: 7,556.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,620.02 : 30,930.06 = 5,037.66 : x
  2. Step 2: Convert to fraction form
    20,620.02/30,930.06 = 5,037.66/x
  3. Step 3: Cross multiply
    20,620.02x = 30,930.06 × 5,037.66
  4. Step 4: Simplify right side
    20,620.02x = 155,815,126.06
  5. Step 5: Solve for x
    x = 155,815,126.06/20,620.02
  6. Step 6: Final answer
    x = 7,556.50

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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.