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Finding the Fourth Proportional to 32,681.64, 49,023.04 and 9,308.68

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Solution

The fourth proportional to 32,681.64, 49,023.04 and 9,308.68 is: 13,963.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,681.64 : 49,023.04 = 9,308.68 : x
  2. Step 2: Convert to fraction form
    32,681.64/49,023.04 = 9,308.68/x
  3. Step 3: Cross multiply
    32,681.64x = 49,023.04 × 9,308.68
  4. Step 4: Simplify right side
    32,681.64x = 456,339,791.99
  5. Step 5: Solve for x
    x = 456,339,791.99/32,681.64
  6. Step 6: Final answer
    x = 13,963.19

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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.