Home / 20,070.16-30,109.24-13,833.12

Finding the Fourth Proportional to 20,070.16, 30,109.24 and 13,833.12

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Solution

The fourth proportional to 20,070.16, 30,109.24 and 13,833.12 is: 20,752.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,070.16 : 30,109.24 = 13,833.12 : x
  2. Step 2: Convert to fraction form
    20,070.16/30,109.24 = 13,833.12/x
  3. Step 3: Cross multiply
    20,070.16x = 30,109.24 × 13,833.12
  4. Step 4: Simplify right side
    20,070.16x = 416,504,730.03
  5. Step 5: Solve for x
    x = 416,504,730.03/20,070.16
  6. Step 6: Final answer
    x = 20,752.44

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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.