Home / 41,139.64-61,699.83-11,560.30

Finding the Fourth Proportional to 41,139.64, 61,699.83 and 11,560.30

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Solution

The fourth proportional to 41,139.64, 61,699.83 and 11,560.30 is: 17,337.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,139.64 : 61,699.83 = 11,560.30 : x
  2. Step 2: Convert to fraction form
    41,139.64/61,699.83 = 11,560.30/x
  3. Step 3: Cross multiply
    41,139.64x = 61,699.83 × 11,560.30
  4. Step 4: Simplify right side
    41,139.64x = 713,268,544.75
  5. Step 5: Solve for x
    x = 713,268,544.75/41,139.64
  6. Step 6: Final answer
    x = 17,337.74

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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.