Home / 39,922.44-59,889.14-13,620.12

Finding the Fourth Proportional to 39,922.44, 59,889.14 and 13,620.12

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Solution

The fourth proportional to 39,922.44, 59,889.14 and 13,620.12 is: 20,432.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,922.44 : 59,889.14 = 13,620.12 : x
  2. Step 2: Convert to fraction form
    39,922.44/59,889.14 = 13,620.12/x
  3. Step 3: Cross multiply
    39,922.44x = 59,889.14 × 13,620.12
  4. Step 4: Simplify right side
    39,922.44x = 815,697,273.50
  5. Step 5: Solve for x
    x = 815,697,273.50/39,922.44
  6. Step 6: Final answer
    x = 20,432.05

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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.