Home / 60,620.19-90,930.30-18,500.50

Finding the Fourth Proportional to 60,620.19, 90,930.30 and 18,500.50

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Solution

The fourth proportional to 60,620.19, 90,930.30 and 18,500.50 is: 27,750.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,620.19 : 90,930.30 = 18,500.50 : x
  2. Step 2: Convert to fraction form
    60,620.19/90,930.30 = 18,500.50/x
  3. Step 3: Cross multiply
    60,620.19x = 90,930.30 × 18,500.50
  4. Step 4: Simplify right side
    60,620.19x = 1,682,256,015.15
  5. Step 5: Solve for x
    x = 1,682,256,015.15/60,620.19
  6. Step 6: Final answer
    x = 27,750.75

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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.