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Finding the Fourth Proportional to 32,881.64, 49,329.84 and 9,509.90

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Solution

The fourth proportional to 32,881.64, 49,329.84 and 9,509.90 is: 14,266.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,881.64 : 49,329.84 = 9,509.90 : x
  2. Step 2: Convert to fraction form
    32,881.64/49,329.84 = 9,509.90/x
  3. Step 3: Cross multiply
    32,881.64x = 49,329.84 × 9,509.90
  4. Step 4: Simplify right side
    32,881.64x = 469,121,845.42
  5. Step 5: Solve for x
    x = 469,121,845.42/32,881.64
  6. Step 6: Final answer
    x = 14,266.98

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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.