Home / 55,655.76-83,496.60-18,217.68

Finding the Fourth Proportional to 55,655.76, 83,496.60 and 18,217.68

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Solution

The fourth proportional to 55,655.76, 83,496.60 and 18,217.68 is: 27,330.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,655.76 : 83,496.60 = 18,217.68 : x
  2. Step 2: Convert to fraction form
    55,655.76/83,496.60 = 18,217.68/x
  3. Step 3: Cross multiply
    55,655.76x = 83,496.60 × 18,217.68
  4. Step 4: Simplify right side
    55,655.76x = 1,521,114,339.89
  5. Step 5: Solve for x
    x = 1,521,114,339.89/55,655.76
  6. Step 6: Final answer
    x = 27,330.76

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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.