Home / 40,790.52-61,174.02-11,209.32

Finding the Fourth Proportional to 40,790.52, 61,174.02 and 11,209.32

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Solution

The fourth proportional to 40,790.52, 61,174.02 and 11,209.32 is: 16,810.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,790.52 : 61,174.02 = 11,209.32 : x
  2. Step 2: Convert to fraction form
    40,790.52/61,174.02 = 11,209.32/x
  3. Step 3: Cross multiply
    40,790.52x = 61,174.02 × 11,209.32
  4. Step 4: Simplify right side
    40,790.52x = 685,719,165.87
  5. Step 5: Solve for x
    x = 685,719,165.87/40,790.52
  6. Step 6: Final answer
    x = 16,810.75

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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.