Home / 55,592.38-83,397.20-18,665.02

Finding the Fourth Proportional to 55,592.38, 83,397.20 and 18,665.02

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Solution

The fourth proportional to 55,592.38, 83,397.20 and 18,665.02 is: 28,000.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,592.38 : 83,397.20 = 18,665.02 : x
  2. Step 2: Convert to fraction form
    55,592.38/83,397.20 = 18,665.02/x
  3. Step 3: Cross multiply
    55,592.38x = 83,397.20 × 18,665.02
  4. Step 4: Simplify right side
    55,592.38x = 1,556,610,405.94
  5. Step 5: Solve for x
    x = 1,556,610,405.94/55,592.38
  6. Step 6: Final answer
    x = 28,000.43

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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.