Home / 32,428.20-48,642.30-9,054.60

Finding the Fourth Proportional to 32,428.20, 48,642.30 and 9,054.60

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Solution

The fourth proportional to 32,428.20, 48,642.30 and 9,054.60 is: 13,581.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,428.20 : 48,642.30 = 9,054.60 : x
  2. Step 2: Convert to fraction form
    32,428.20/48,642.30 = 9,054.60/x
  3. Step 3: Cross multiply
    32,428.20x = 48,642.30 × 9,054.60
  4. Step 4: Simplify right side
    32,428.20x = 440,436,569.58
  5. Step 5: Solve for x
    x = 440,436,569.58/32,428.20
  6. Step 6: Final answer
    x = 13,581.90

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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.