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Finding the Fourth Proportional to 32,068.78, 48,110.76 and 11,009.08

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Solution

The fourth proportional to 32,068.78, 48,110.76 and 11,009.08 is: 16,516.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,068.78 : 48,110.76 = 11,009.08 : x
  2. Step 2: Convert to fraction form
    32,068.78/48,110.76 = 11,009.08/x
  3. Step 3: Cross multiply
    32,068.78x = 48,110.76 × 11,009.08
  4. Step 4: Simplify right side
    32,068.78x = 529,655,205.70
  5. Step 5: Solve for x
    x = 529,655,205.70/32,068.78
  6. Step 6: Final answer
    x = 16,516.23

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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.