Home / 55,587.38-83,389.70-18,660.02

Finding the Fourth Proportional to 55,587.38, 83,389.70 and 18,660.02

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Solution

The fourth proportional to 55,587.38, 83,389.70 and 18,660.02 is: 27,992.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,587.38 : 83,389.70 = 18,660.02 : x
  2. Step 2: Convert to fraction form
    55,587.38/83,389.70 = 18,660.02/x
  3. Step 3: Cross multiply
    55,587.38x = 83,389.70 × 18,660.02
  4. Step 4: Simplify right side
    55,587.38x = 1,556,053,099.50
  5. Step 5: Solve for x
    x = 1,556,053,099.50/55,587.38
  6. Step 6: Final answer
    x = 27,992.92

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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.