Home / 39,012.08-58,519.56-18,230

Finding the Fourth Proportional to 39,012.08, 58,519.56 and 18,230

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Solution

The fourth proportional to 39,012.08, 58,519.56 and 18,230 is: 27,345.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,012.08 : 58,519.56 = 18,230 : x
  2. Step 2: Convert to fraction form
    39,012.08/58,519.56 = 18,230/x
  3. Step 3: Cross multiply
    39,012.08x = 58,519.56 × 18,230
  4. Step 4: Simplify right side
    39,012.08x = 1,066,811,578.80
  5. Step 5: Solve for x
    x = 1,066,811,578.80/39,012.08
  6. Step 6: Final answer
    x = 27,345.67

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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.