Home / 32,161.11-44,383.70-18,730.20

Finding the Fourth Proportional to 32,161.11, 44,383.70 and 18,730.20

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Solution

The fourth proportional to 32,161.11, 44,383.70 and 18,730.20 is: 25,848.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,161.11 : 44,383.70 = 18,730.20 : x
  2. Step 2: Convert to fraction form
    32,161.11/44,383.70 = 18,730.20/x
  3. Step 3: Cross multiply
    32,161.11x = 44,383.70 × 18,730.20
  4. Step 4: Simplify right side
    32,161.11x = 831,315,484.09
  5. Step 5: Solve for x
    x = 831,315,484.09/32,161.11
  6. Step 6: Final answer
    x = 25,848.47

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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.