Home / 40,905.09-61,357.64-11,322.92

Finding the Fourth Proportional to 40,905.09, 61,357.64 and 11,322.92

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Solution

The fourth proportional to 40,905.09, 61,357.64 and 11,322.92 is: 16,984.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,905.09 : 61,357.64 = 11,322.92 : x
  2. Step 2: Convert to fraction form
    40,905.09/61,357.64 = 11,322.92/x
  3. Step 3: Cross multiply
    40,905.09x = 61,357.64 × 11,322.92
  4. Step 4: Simplify right side
    40,905.09x = 694,747,745.89
  5. Step 5: Solve for x
    x = 694,747,745.89/40,905.09
  6. Step 6: Final answer
    x = 16,984.38

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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.