Home / 32,664.80-48,989.12-13,935.68

Finding the Fourth Proportional to 32,664.80, 48,989.12 and 13,935.68

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Solution

The fourth proportional to 32,664.80, 48,989.12 and 13,935.68 is: 20,900.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,664.80 : 48,989.12 = 13,935.68 : x
  2. Step 2: Convert to fraction form
    32,664.80/48,989.12 = 13,935.68/x
  3. Step 3: Cross multiply
    32,664.80x = 48,989.12 × 13,935.68
  4. Step 4: Simplify right side
    32,664.80x = 682,696,699.80
  5. Step 5: Solve for x
    x = 682,696,699.80/32,664.80
  6. Step 6: Final answer
    x = 20,900.07

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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.