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Finding the Fourth Proportional to 32,446.48, 48,669.78 and 9,072.91

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Solution

The fourth proportional to 32,446.48, 48,669.78 and 9,072.91 is: 13,609.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,446.48 : 48,669.78 = 9,072.91 : x
  2. Step 2: Convert to fraction form
    32,446.48/48,669.78 = 9,072.91/x
  3. Step 3: Cross multiply
    32,446.48x = 48,669.78 × 9,072.91
  4. Step 4: Simplify right side
    32,446.48x = 441,576,533.66
  5. Step 5: Solve for x
    x = 441,576,533.66/32,446.48
  6. Step 6: Final answer
    x = 13,609.38

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1.5x scale

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.