Home / 31,383.45-47,075.57-9,197.28

Finding the Fourth Proportional to 31,383.45, 47,075.57 and 9,197.28

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Solution

The fourth proportional to 31,383.45, 47,075.57 and 9,197.28 is: 13,796.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,383.45 : 47,075.57 = 9,197.28 : x
  2. Step 2: Convert to fraction form
    31,383.45/47,075.57 = 9,197.28/x
  3. Step 3: Cross multiply
    31,383.45x = 47,075.57 × 9,197.28
  4. Step 4: Simplify right side
    31,383.45x = 432,967,152.46
  5. Step 5: Solve for x
    x = 432,967,152.46/31,383.45
  6. Step 6: Final answer
    x = 13,796.03

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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.