Home / 20,025.60-30,040.68-5,986.41

Finding the Fourth Proportional to 20,025.60, 30,040.68 and 5,986.41

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Solution

The fourth proportional to 20,025.60, 30,040.68 and 5,986.41 is: 8,980.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,025.60 : 30,040.68 = 5,986.41 : x
  2. Step 2: Convert to fraction form
    20,025.60/30,040.68 = 5,986.41/x
  3. Step 3: Cross multiply
    20,025.60x = 30,040.68 × 5,986.41
  4. Step 4: Simplify right side
    20,025.60x = 179,835,827.16
  5. Step 5: Solve for x
    x = 179,835,827.16/20,025.60
  6. Step 6: Final answer
    x = 8,980.30

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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.