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Finding the Fourth Proportional to 49,548.02, 68,375.04 and 28,325.93

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Solution

The fourth proportional to 49,548.02, 68,375.04 and 28,325.93 is: 39,089.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,548.02 : 68,375.04 = 28,325.93 : x
  2. Step 2: Convert to fraction form
    49,548.02/68,375.04 = 28,325.93/x
  3. Step 3: Cross multiply
    49,548.02x = 68,375.04 × 28,325.93
  4. Step 4: Simplify right side
    49,548.02x = 1,936,786,254.91
  5. Step 5: Solve for x
    x = 1,936,786,254.91/49,548.02
  6. Step 6: Final answer
    x = 39,089.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.