Home / 40,887.06-61,297.08-21,171.24

Finding the Fourth Proportional to 40,887.06, 61,297.08 and 21,171.24

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Solution

The fourth proportional to 40,887.06, 61,297.08 and 21,171.24 is: 31,739.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,887.06 : 61,297.08 = 21,171.24 : x
  2. Step 2: Convert to fraction form
    40,887.06/61,297.08 = 21,171.24/x
  3. Step 3: Cross multiply
    40,887.06x = 61,297.08 × 21,171.24
  4. Step 4: Simplify right side
    40,887.06x = 1,297,735,191.98
  5. Step 5: Solve for x
    x = 1,297,735,191.98/40,887.06
  6. Step 6: Final answer
    x = 31,739.51

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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.