Home / 32,489.28-48,665.88-20,742.66

Finding the Fourth Proportional to 32,489.28, 48,665.88 and 20,742.66

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Solution

The fourth proportional to 32,489.28, 48,665.88 and 20,742.66 is: 31,070.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,489.28 : 48,665.88 = 20,742.66 : x
  2. Step 2: Convert to fraction form
    32,489.28/48,665.88 = 20,742.66/x
  3. Step 3: Cross multiply
    32,489.28x = 48,665.88 × 20,742.66
  4. Step 4: Simplify right side
    32,489.28x = 1,009,459,802.44
  5. Step 5: Solve for x
    x = 1,009,459,802.44/32,489.28
  6. Step 6: Final answer
    x = 31,070.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.