Home / 30,156.04-41,629.62-20,101.24

Finding the Fourth Proportional to 30,156.04, 41,629.62 and 20,101.24

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Solution

The fourth proportional to 30,156.04, 41,629.62 and 20,101.24 is: 27,749.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,156.04 : 41,629.62 = 20,101.24 : x
  2. Step 2: Convert to fraction form
    30,156.04/41,629.62 = 20,101.24/x
  3. Step 3: Cross multiply
    30,156.04x = 41,629.62 × 20,101.24
  4. Step 4: Simplify right side
    30,156.04x = 836,806,982.73
  5. Step 5: Solve for x
    x = 836,806,982.73/30,156.04
  6. Step 6: Final answer
    x = 27,749.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.