Home / 64,949.75-89,630.93-35,141.75

Finding the Fourth Proportional to 64,949.75, 89,630.93 and 35,141.75

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Solution

The fourth proportional to 64,949.75, 89,630.93 and 35,141.75 is: 48,495.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,949.75 : 89,630.93 = 35,141.75 : x
  2. Step 2: Convert to fraction form
    64,949.75/89,630.93 = 35,141.75/x
  3. Step 3: Cross multiply
    64,949.75x = 89,630.93 × 35,141.75
  4. Step 4: Simplify right side
    64,949.75x = 3,149,787,558.62
  5. Step 5: Solve for x
    x = 3,149,787,558.62/64,949.75
  6. Step 6: Final answer
    x = 48,495.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.