Home / 32,531.72-48,806.24-13,812.81

Finding the Fourth Proportional to 32,531.72, 48,806.24 and 13,812.81

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Solution

The fourth proportional to 32,531.72, 48,806.24 and 13,812.81 is: 20,722.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,531.72 : 48,806.24 = 13,812.81 : x
  2. Step 2: Convert to fraction form
    32,531.72/48,806.24 = 13,812.81/x
  3. Step 3: Cross multiply
    32,531.72x = 48,806.24 × 13,812.81
  4. Step 4: Simplify right side
    32,531.72x = 674,151,250.87
  5. Step 5: Solve for x
    x = 674,151,250.87/32,531.72
  6. Step 6: Final answer
    x = 20,722.89

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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.