Home / 39,977.56-59,918.56-18,601.40

Finding the Fourth Proportional to 39,977.56, 59,918.56 and 18,601.40

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Solution

The fourth proportional to 39,977.56, 59,918.56 and 18,601.40 is: 27,879.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,977.56 : 59,918.56 = 18,601.40 : x
  2. Step 2: Convert to fraction form
    39,977.56/59,918.56 = 18,601.40/x
  3. Step 3: Cross multiply
    39,977.56x = 59,918.56 × 18,601.40
  4. Step 4: Simplify right side
    39,977.56x = 1,114,569,299.72
  5. Step 5: Solve for x
    x = 1,114,569,299.72/39,977.56
  6. Step 6: Final answer
    x = 27,879.87

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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.