Home / 35,532.20-53,301.14-20,742.62

Finding the Fourth Proportional to 35,532.20, 53,301.14 and 20,742.62

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Solution

The fourth proportional to 35,532.20, 53,301.14 and 20,742.62 is: 31,115.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,532.20 : 53,301.14 = 20,742.62 : x
  2. Step 2: Convert to fraction form
    35,532.20/53,301.14 = 20,742.62/x
  3. Step 3: Cross multiply
    35,532.20x = 53,301.14 × 20,742.62
  4. Step 4: Simplify right side
    35,532.20x = 1,105,605,000.15
  5. Step 5: Solve for x
    x = 1,105,605,000.15/35,532.20
  6. Step 6: Final answer
    x = 31,115.58

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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.