Home / 20,542.02-30,801.21-8,047.44

Finding the Fourth Proportional to 20,542.02, 30,801.21 and 8,047.44

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Solution

The fourth proportional to 20,542.02, 30,801.21 and 8,047.44 is: 12,066.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,542.02 : 30,801.21 = 8,047.44 : x
  2. Step 2: Convert to fraction form
    20,542.02/30,801.21 = 8,047.44/x
  3. Step 3: Cross multiply
    20,542.02x = 30,801.21 × 8,047.44
  4. Step 4: Simplify right side
    20,542.02x = 247,870,889.40
  5. Step 5: Solve for x
    x = 247,870,889.40/20,542.02
  6. Step 6: Final answer
    x = 12,066.53

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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.