Home / 35,609.20-53,397.60-18,964.96

Finding the Fourth Proportional to 35,609.20, 53,397.60 and 18,964.96

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Solution

The fourth proportional to 35,609.20, 53,397.60 and 18,964.96 is: 28,438.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,609.20 : 53,397.60 = 18,964.96 : x
  2. Step 2: Convert to fraction form
    35,609.20/53,397.60 = 18,964.96/x
  3. Step 3: Cross multiply
    35,609.20x = 53,397.60 × 18,964.96
  4. Step 4: Simplify right side
    35,609.20x = 1,012,683,348.10
  5. Step 5: Solve for x
    x = 1,012,683,348.10/35,609.20
  6. Step 6: Final answer
    x = 28,438.81

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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.