Home / 32,135.88-48,203.30-8,762.31

Finding the Fourth Proportional to 32,135.88, 48,203.30 and 8,762.31

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Solution

The fourth proportional to 32,135.88, 48,203.30 and 8,762.31 is: 13,143.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,135.88 : 48,203.30 = 8,762.31 : x
  2. Step 2: Convert to fraction form
    32,135.88/48,203.30 = 8,762.31/x
  3. Step 3: Cross multiply
    32,135.88x = 48,203.30 × 8,762.31
  4. Step 4: Simplify right side
    32,135.88x = 422,372,213.81
  5. Step 5: Solve for x
    x = 422,372,213.81/32,135.88
  6. Step 6: Final answer
    x = 13,143.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.