Home / 52,438.11-78,668.15-16,902.09

Finding the Fourth Proportional to 52,438.11, 78,668.15 and 16,902.09

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Solution

The fourth proportional to 52,438.11, 78,668.15 and 16,902.09 is: 25,356.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,438.11 : 78,668.15 = 16,902.09 : x
  2. Step 2: Convert to fraction form
    52,438.11/78,668.15 = 16,902.09/x
  3. Step 3: Cross multiply
    52,438.11x = 78,668.15 × 16,902.09
  4. Step 4: Simplify right side
    52,438.11x = 1,329,656,066.92
  5. Step 5: Solve for x
    x = 1,329,656,066.92/52,438.11
  6. Step 6: Final answer
    x = 25,356.67

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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.