Home / 20,131.49-30,197.24-5,341.02

Finding the Fourth Proportional to 20,131.49, 30,197.24 and 5,341.02

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Solution

The fourth proportional to 20,131.49, 30,197.24 and 5,341.02 is: 8,011.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,131.49 : 30,197.24 = 5,341.02 : x
  2. Step 2: Convert to fraction form
    20,131.49/30,197.24 = 5,341.02/x
  3. Step 3: Cross multiply
    20,131.49x = 30,197.24 × 5,341.02
  4. Step 4: Simplify right side
    20,131.49x = 161,284,036.08
  5. Step 5: Solve for x
    x = 161,284,036.08/20,131.49
  6. Step 6: Final answer
    x = 8,011.53

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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.