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Finding the Fourth Proportional to 57,493.86, 79,352.47 and 32,343.36

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Solution

The fourth proportional to 57,493.86, 79,352.47 and 32,343.36 is: 44,639.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,493.86 : 79,352.47 = 32,343.36 : x
  2. Step 2: Convert to fraction form
    57,493.86/79,352.47 = 32,343.36/x
  3. Step 3: Cross multiply
    57,493.86x = 79,352.47 × 32,343.36
  4. Step 4: Simplify right side
    57,493.86x = 2,566,525,504.10
  5. Step 5: Solve for x
    x = 2,566,525,504.10/57,493.86
  6. Step 6: Final answer
    x = 44,639.99

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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.