Home / 40,930.60-61,395.90-39,029.80

Finding the Fourth Proportional to 40,930.60, 61,395.90 and 39,029.80

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Solution

The fourth proportional to 40,930.60, 61,395.90 and 39,029.80 is: 58,544.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,930.60 : 61,395.90 = 39,029.80 : x
  2. Step 2: Convert to fraction form
    40,930.60/61,395.90 = 39,029.80/x
  3. Step 3: Cross multiply
    40,930.60x = 61,395.90 × 39,029.80
  4. Step 4: Simplify right side
    40,930.60x = 2,396,269,697.82
  5. Step 5: Solve for x
    x = 2,396,269,697.82/40,930.60
  6. Step 6: Final answer
    x = 58,544.70

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1.5x scale

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.