Home / 32,421.12-48,631.60-12,685.84

Finding the Fourth Proportional to 32,421.12, 48,631.60 and 12,685.84

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Solution

The fourth proportional to 32,421.12, 48,631.60 and 12,685.84 is: 19,028.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,421.12 : 48,631.60 = 12,685.84 : x
  2. Step 2: Convert to fraction form
    32,421.12/48,631.60 = 12,685.84/x
  3. Step 3: Cross multiply
    32,421.12x = 48,631.60 × 12,685.84
  4. Step 4: Simplify right side
    32,421.12x = 616,932,696.54
  5. Step 5: Solve for x
    x = 616,932,696.54/32,421.12
  6. Step 6: Final answer
    x = 19,028.73

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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.