Home / 51,046.60-76,578.30-15,977.80

Finding the Fourth Proportional to 51,046.60, 76,578.30 and 15,977.80

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Solution

The fourth proportional to 51,046.60, 76,578.30 and 15,977.80 is: 23,969.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,046.60 : 76,578.30 = 15,977.80 : x
  2. Step 2: Convert to fraction form
    51,046.60/76,578.30 = 15,977.80/x
  3. Step 3: Cross multiply
    51,046.60x = 76,578.30 × 15,977.80
  4. Step 4: Simplify right side
    51,046.60x = 1,223,552,761.74
  5. Step 5: Solve for x
    x = 1,223,552,761.74/51,046.60
  6. Step 6: Final answer
    x = 23,969.33

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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.