Home / 53,938.10-80,896.22-14,495.56

Finding the Fourth Proportional to 53,938.10, 80,896.22 and 14,495.56

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Solution

The fourth proportional to 53,938.10, 80,896.22 and 14,495.56 is: 21,740.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,938.10 : 80,896.22 = 14,495.56 : x
  2. Step 2: Convert to fraction form
    53,938.10/80,896.22 = 14,495.56/x
  3. Step 3: Cross multiply
    53,938.10x = 80,896.22 × 14,495.56
  4. Step 4: Simplify right side
    53,938.10x = 1,172,635,790.42
  5. Step 5: Solve for x
    x = 1,172,635,790.42/53,938.10
  6. Step 6: Final answer
    x = 21,740.40

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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.