Home / 36,966.60-55,412.10-18,217.80

Finding the Fourth Proportional to 36,966.60, 55,412.10 and 18,217.80

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Solution

The fourth proportional to 36,966.60, 55,412.10 and 18,217.80 is: 27,308.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,966.60 : 55,412.10 = 18,217.80 : x
  2. Step 2: Convert to fraction form
    36,966.60/55,412.10 = 18,217.80/x
  3. Step 3: Cross multiply
    36,966.60x = 55,412.10 × 18,217.80
  4. Step 4: Simplify right side
    36,966.60x = 1,009,486,555.38
  5. Step 5: Solve for x
    x = 1,009,486,555.38/36,966.60
  6. Step 6: Final answer
    x = 27,308.07

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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.