Home / 32,390.76-48,565.36-13,665.68

Finding the Fourth Proportional to 32,390.76, 48,565.36 and 13,665.68

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Solution

The fourth proportional to 32,390.76, 48,565.36 and 13,665.68 is: 20,489.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,390.76 : 48,565.36 = 13,665.68 : x
  2. Step 2: Convert to fraction form
    32,390.76/48,565.36 = 13,665.68/x
  3. Step 3: Cross multiply
    32,390.76x = 48,565.36 × 13,665.68
  4. Step 4: Simplify right side
    32,390.76x = 663,678,668.84
  5. Step 5: Solve for x
    x = 663,678,668.84/32,390.76
  6. Step 6: Final answer
    x = 20,489.75

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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.