Home / 31,221.44-43,086.50-17,075.19

Finding the Fourth Proportional to 31,221.44, 43,086.50 and 17,075.19

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Solution

The fourth proportional to 31,221.44, 43,086.50 and 17,075.19 is: 23,564.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,221.44 : 43,086.50 = 17,075.19 : x
  2. Step 2: Convert to fraction form
    31,221.44/43,086.50 = 17,075.19/x
  3. Step 3: Cross multiply
    31,221.44x = 43,086.50 × 17,075.19
  4. Step 4: Simplify right side
    31,221.44x = 735,710,173.94
  5. Step 5: Solve for x
    x = 735,710,173.94/31,221.44
  6. Step 6: Final answer
    x = 23,564.26

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.