Home / 52,697.21-79,076.99-19,440.65

Finding the Fourth Proportional to 52,697.21, 79,076.99 and 19,440.65

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Solution

The fourth proportional to 52,697.21, 79,076.99 and 19,440.65 is: 29,172.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,697.21 : 79,076.99 = 19,440.65 : x
  2. Step 2: Convert to fraction form
    52,697.21/79,076.99 = 19,440.65/x
  3. Step 3: Cross multiply
    52,697.21x = 79,076.99 × 19,440.65
  4. Step 4: Simplify right side
    52,697.21x = 1,537,307,738.86
  5. Step 5: Solve for x
    x = 1,537,307,738.86/52,697.21
  6. Step 6: Final answer
    x = 29,172.47

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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.