Home / 32,130.22-44,355.78-20,200.12

Finding the Fourth Proportional to 32,130.22, 44,355.78 and 20,200.12

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Solution

The fourth proportional to 32,130.22, 44,355.78 and 20,200.12 is: 27,886.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,130.22 : 44,355.78 = 20,200.12 : x
  2. Step 2: Convert to fraction form
    32,130.22/44,355.78 = 20,200.12/x
  3. Step 3: Cross multiply
    32,130.22x = 44,355.78 × 20,200.12
  4. Step 4: Simplify right side
    32,130.22x = 895,992,078.69
  5. Step 5: Solve for x
    x = 895,992,078.69/32,130.22
  6. Step 6: Final answer
    x = 27,886.27

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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.