Home / 39,247.72-58,871.26-18,459.88

Finding the Fourth Proportional to 39,247.72, 58,871.26 and 18,459.88

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Solution

The fourth proportional to 39,247.72, 58,871.26 and 18,459.88 is: 27,689.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,247.72 : 58,871.26 = 18,459.88 : x
  2. Step 2: Convert to fraction form
    39,247.72/58,871.26 = 18,459.88/x
  3. Step 3: Cross multiply
    39,247.72x = 58,871.26 × 18,459.88
  4. Step 4: Simplify right side
    39,247.72x = 1,086,756,395.05
  5. Step 5: Solve for x
    x = 1,086,756,395.05/39,247.72
  6. Step 6: Final answer
    x = 27,689.67

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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.