Home / 64,829.69-89,489.57-43,621.26

Finding the Fourth Proportional to 64,829.69, 89,489.57 and 43,621.26

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Solution

The fourth proportional to 64,829.69, 89,489.57 and 43,621.26 is: 60,213.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,829.69 : 89,489.57 = 43,621.26 : x
  2. Step 2: Convert to fraction form
    64,829.69/89,489.57 = 43,621.26/x
  3. Step 3: Cross multiply
    64,829.69x = 89,489.57 × 43,621.26
  4. Step 4: Simplify right side
    64,829.69x = 3,903,647,800.26
  5. Step 5: Solve for x
    x = 3,903,647,800.26/64,829.69
  6. Step 6: Final answer
    x = 60,213.89

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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.