Home / 79,211.85-118,824-23,052.72

Finding the Fourth Proportional to 79,211.85, 118,824 and 23,052.72

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Solution

The fourth proportional to 79,211.85, 118,824 and 23,052.72 is: 34,580.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,211.85 : 118,824 = 23,052.72 : x
  2. Step 2: Convert to fraction form
    79,211.85/118,824 = 23,052.72/x
  3. Step 3: Cross multiply
    79,211.85x = 118,824 × 23,052.72
  4. Step 4: Simplify right side
    79,211.85x = 2,739,216,401.28
  5. Step 5: Solve for x
    x = 2,739,216,401.28/79,211.85
  6. Step 6: Final answer
    x = 34,580.89

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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.