Home / 60,559.20-90,809.64-21,115.44

Finding the Fourth Proportional to 60,559.20, 90,809.64 and 21,115.44

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Solution

The fourth proportional to 60,559.20, 90,809.64 and 21,115.44 is: 31,662.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,559.20 : 90,809.64 = 21,115.44 : x
  2. Step 2: Convert to fraction form
    60,559.20/90,809.64 = 21,115.44/x
  3. Step 3: Cross multiply
    60,559.20x = 90,809.64 × 21,115.44
  4. Step 4: Simplify right side
    60,559.20x = 1,917,485,504.84
  5. Step 5: Solve for x
    x = 1,917,485,504.84/60,559.20
  6. Step 6: Final answer
    x = 31,662.99

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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.