Home / 32,486.72-48,734.17-11,421.81

Finding the Fourth Proportional to 32,486.72, 48,734.17 and 11,421.81

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Solution

The fourth proportional to 32,486.72, 48,734.17 and 11,421.81 is: 17,134.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,486.72 : 48,734.17 = 11,421.81 : x
  2. Step 2: Convert to fraction form
    32,486.72/48,734.17 = 11,421.81/x
  3. Step 3: Cross multiply
    32,486.72x = 48,734.17 × 11,421.81
  4. Step 4: Simplify right side
    32,486.72x = 556,632,186.58
  5. Step 5: Solve for x
    x = 556,632,186.58/32,486.72
  6. Step 6: Final answer
    x = 17,134.15

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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.