Home / 51,502.67-77,288.63-18,222.60

Finding the Fourth Proportional to 51,502.67, 77,288.63 and 18,222.60

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Solution

The fourth proportional to 51,502.67, 77,288.63 and 18,222.60 is: 27,346.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,502.67 : 77,288.63 = 18,222.60 : x
  2. Step 2: Convert to fraction form
    51,502.67/77,288.63 = 18,222.60/x
  3. Step 3: Cross multiply
    51,502.67x = 77,288.63 × 18,222.60
  4. Step 4: Simplify right side
    51,502.67x = 1,408,399,697.93
  5. Step 5: Solve for x
    x = 1,408,399,697.93/51,502.67
  6. Step 6: Final answer
    x = 27,346.15

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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.