Home / 41,278.60-61,917.90-39,174.99

Finding the Fourth Proportional to 41,278.60, 61,917.90 and 39,174.99

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Solution

The fourth proportional to 41,278.60, 61,917.90 and 39,174.99 is: 58,762.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,278.60 : 61,917.90 = 39,174.99 : x
  2. Step 2: Convert to fraction form
    41,278.60/61,917.90 = 39,174.99/x
  3. Step 3: Cross multiply
    41,278.60x = 61,917.90 × 39,174.99
  4. Step 4: Simplify right side
    41,278.60x = 2,425,633,113.32
  5. Step 5: Solve for x
    x = 2,425,633,113.32/41,278.60
  6. Step 6: Final answer
    x = 58,762.49

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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.