Home / 57,664.35-79,458.71-42,533.06

Finding the Fourth Proportional to 57,664.35, 79,458.71 and 42,533.06

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Solution

The fourth proportional to 57,664.35, 79,458.71 and 42,533.06 is: 58,608.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,664.35 : 79,458.71 = 42,533.06 : x
  2. Step 2: Convert to fraction form
    57,664.35/79,458.71 = 42,533.06/x
  3. Step 3: Cross multiply
    57,664.35x = 79,458.71 × 42,533.06
  4. Step 4: Simplify right side
    57,664.35x = 3,379,621,469.99
  5. Step 5: Solve for x
    x = 3,379,621,469.99/57,664.35
  6. Step 6: Final answer
    x = 58,608.51

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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.