Home / 42,695.10-58,942.08-28,571.94

Finding the Fourth Proportional to 42,695.10, 58,942.08 and 28,571.94

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Solution

The fourth proportional to 42,695.10, 58,942.08 and 28,571.94 is: 39,444.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,695.10 : 58,942.08 = 28,571.94 : x
  2. Step 2: Convert to fraction form
    42,695.10/58,942.08 = 28,571.94/x
  3. Step 3: Cross multiply
    42,695.10x = 58,942.08 × 28,571.94
  4. Step 4: Simplify right side
    42,695.10x = 1,684,089,573.24
  5. Step 5: Solve for x
    x = 1,684,089,573.24/42,695.10
  6. Step 6: Final answer
    x = 39,444.56

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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.