Home / 20,048.26-30,079.29-8,962.60

Finding the Fourth Proportional to 20,048.26, 30,079.29 and 8,962.60

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Solution

The fourth proportional to 20,048.26, 30,079.29 and 8,962.60 is: 13,446.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,048.26 : 30,079.29 = 8,962.60 : x
  2. Step 2: Convert to fraction form
    20,048.26/30,079.29 = 8,962.60/x
  3. Step 3: Cross multiply
    20,048.26x = 30,079.29 × 8,962.60
  4. Step 4: Simplify right side
    20,048.26x = 269,588,644.55
  5. Step 5: Solve for x
    x = 269,588,644.55/20,048.26
  6. Step 6: Final answer
    x = 13,446.98

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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.