Home / 34,392.60-51,490.49-21,155.85

Finding the Fourth Proportional to 34,392.60, 51,490.49 and 21,155.85

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Solution

The fourth proportional to 34,392.60, 51,490.49 and 21,155.85 is: 31,673.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,392.60 : 51,490.49 = 21,155.85 : x
  2. Step 2: Convert to fraction form
    34,392.60/51,490.49 = 21,155.85/x
  3. Step 3: Cross multiply
    34,392.60x = 51,490.49 × 21,155.85
  4. Step 4: Simplify right side
    34,392.60x = 1,089,324,977.09
  5. Step 5: Solve for x
    x = 1,089,324,977.09/34,392.60
  6. Step 6: Final answer
    x = 31,673.24

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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.