Home / 49,748.40-74,622.60-39,906.90

Finding the Fourth Proportional to 49,748.40, 74,622.60 and 39,906.90

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Solution

The fourth proportional to 49,748.40, 74,622.60 and 39,906.90 is: 59,860.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,748.40 : 74,622.60 = 39,906.90 : x
  2. Step 2: Convert to fraction form
    49,748.40/74,622.60 = 39,906.90/x
  3. Step 3: Cross multiply
    49,748.40x = 74,622.60 × 39,906.90
  4. Step 4: Simplify right side
    49,748.40x = 2,977,956,635.94
  5. Step 5: Solve for x
    x = 2,977,956,635.94/49,748.40
  6. Step 6: Final answer
    x = 59,860.35

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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.