Home / 32,120.84-44,346.12-20,962.28

Finding the Fourth Proportional to 32,120.84, 44,346.12 and 20,962.28

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Solution

The fourth proportional to 32,120.84, 44,346.12 and 20,962.28 is: 28,940.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,120.84 : 44,346.12 = 20,962.28 : x
  2. Step 2: Convert to fraction form
    32,120.84/44,346.12 = 20,962.28/x
  3. Step 3: Cross multiply
    32,120.84x = 44,346.12 × 20,962.28
  4. Step 4: Simplify right side
    32,120.84x = 929,595,784.35
  5. Step 5: Solve for x
    x = 929,595,784.35/32,120.84
  6. Step 6: Final answer
    x = 28,940.58

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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.