Home / 69,541.08-104,310.54-27,987

Finding the Fourth Proportional to 69,541.08, 104,310.54 and 27,987

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Solution

The fourth proportional to 69,541.08, 104,310.54 and 27,987 is: 41,980.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,541.08 : 104,310.54 = 27,987 : x
  2. Step 2: Convert to fraction form
    69,541.08/104,310.54 = 27,987/x
  3. Step 3: Cross multiply
    69,541.08x = 104,310.54 × 27,987
  4. Step 4: Simplify right side
    69,541.08x = 2,919,339,082.98
  5. Step 5: Solve for x
    x = 2,919,339,082.98/69,541.08
  6. Step 6: Final answer
    x = 41,980.07

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1.5x scale

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.