Home / 32,161.99-44,373.21-20,840.20

Finding the Fourth Proportional to 32,161.99, 44,373.21 and 20,840.20

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Solution

The fourth proportional to 32,161.99, 44,373.21 and 20,840.20 is: 28,752.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,161.99 : 44,373.21 = 20,840.20 : x
  2. Step 2: Convert to fraction form
    32,161.99/44,373.21 = 20,840.20/x
  3. Step 3: Cross multiply
    32,161.99x = 44,373.21 × 20,840.20
  4. Step 4: Simplify right side
    32,161.99x = 924,746,571.04
  5. Step 5: Solve for x
    x = 924,746,571.04/32,161.99
  6. Step 6: Final answer
    x = 28,752.78

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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.