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Finding the Fourth Proportional to 50,060, 75,090 and 18,887.96

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Solution

The fourth proportional to 50,060, 75,090 and 18,887.96 is: 28,331.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,060 : 75,090 = 18,887.96 : x
  2. Step 2: Convert to fraction form
    50,060/75,090 = 18,887.96/x
  3. Step 3: Cross multiply
    50,060x = 75,090 × 18,887.96
  4. Step 4: Simplify right side
    50,060x = 1,418,296,916.40
  5. Step 5: Solve for x
    x = 1,418,296,916.40/50,060
  6. Step 6: Final answer
    x = 28,331.94

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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.