Home / 32,913.12-49,372.68-10,720.80

Finding the Fourth Proportional to 32,913.12, 49,372.68 and 10,720.80

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Solution

The fourth proportional to 32,913.12, 49,372.68 and 10,720.80 is: 16,082.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,913.12 : 49,372.68 = 10,720.80 : x
  2. Step 2: Convert to fraction form
    32,913.12/49,372.68 = 10,720.80/x
  3. Step 3: Cross multiply
    32,913.12x = 49,372.68 × 10,720.80
  4. Step 4: Simplify right side
    32,913.12x = 529,314,627.74
  5. Step 5: Solve for x
    x = 529,314,627.74/32,913.12
  6. Step 6: Final answer
    x = 16,082.18

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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.