Home / 32,439.80-48,666.42-13,719.99

Finding the Fourth Proportional to 32,439.80, 48,666.42 and 13,719.99

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Solution

The fourth proportional to 32,439.80, 48,666.42 and 13,719.99 is: 20,582.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,439.80 : 48,666.42 = 13,719.99 : x
  2. Step 2: Convert to fraction form
    32,439.80/48,666.42 = 13,719.99/x
  3. Step 3: Cross multiply
    32,439.80x = 48,666.42 × 13,719.99
  4. Step 4: Simplify right side
    32,439.80x = 667,702,795.74
  5. Step 5: Solve for x
    x = 667,702,795.74/32,439.80
  6. Step 6: Final answer
    x = 20,582.83

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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.