Home / 32,438.48-48,662.70-13,718.54

Finding the Fourth Proportional to 32,438.48, 48,662.70 and 13,718.54

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Solution

The fourth proportional to 32,438.48, 48,662.70 and 13,718.54 is: 20,579.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,438.48 : 48,662.70 = 13,718.54 : x
  2. Step 2: Convert to fraction form
    32,438.48/48,662.70 = 13,718.54/x
  3. Step 3: Cross multiply
    32,438.48x = 48,662.70 × 13,718.54
  4. Step 4: Simplify right side
    32,438.48x = 667,581,196.46
  5. Step 5: Solve for x
    x = 667,581,196.46/32,438.48
  6. Step 6: Final answer
    x = 20,579.92

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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.