Home / 51,211.20-76,820.40-29,035.20

Finding the Fourth Proportional to 51,211.20, 76,820.40 and 29,035.20

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Solution

The fourth proportional to 51,211.20, 76,820.40 and 29,035.20 is: 43,554.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,211.20 : 76,820.40 = 29,035.20 : x
  2. Step 2: Convert to fraction form
    51,211.20/76,820.40 = 29,035.20/x
  3. Step 3: Cross multiply
    51,211.20x = 76,820.40 × 29,035.20
  4. Step 4: Simplify right side
    51,211.20x = 2,230,495,678.08
  5. Step 5: Solve for x
    x = 2,230,495,678.08/51,211.20
  6. Step 6: Final answer
    x = 43,554.84

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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.