Home / 32,161.76-44,384.64-20,220.56

Finding the Fourth Proportional to 32,161.76, 44,384.64 and 20,220.56

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Solution

The fourth proportional to 32,161.76, 44,384.64 and 20,220.56 is: 27,905.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,161.76 : 44,384.64 = 20,220.56 : x
  2. Step 2: Convert to fraction form
    32,161.76/44,384.64 = 20,220.56/x
  3. Step 3: Cross multiply
    32,161.76x = 44,384.64 × 20,220.56
  4. Step 4: Simplify right side
    32,161.76x = 897,482,276.20
  5. Step 5: Solve for x
    x = 897,482,276.20/32,161.76
  6. Step 6: Final answer
    x = 27,905.26

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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.